Guardian H3250 User manual

©2016 Guardian Technologies LLC
Guardian Technologies LLC
26251 Bluestone Blvd. • Euclid, OH 44132
1.866.603.5900 • www.guardiantechnologies.com
USE & CARE INSTRUCTIONS
Ultrasonic Cool/Warm Mist
Tower Humidifier
Model No. H3250
3-Year Limited Warranty
Customer Service
1.866.603.5900
www.guardiantechnologies.com
Date Purchased month ________ year _________
English E - 1 French F - 1 Spanish S - 1
Note: Use GENUINE Guardian Technologies replacement parts only. REV0218
POWER REFILL LIGHT
4812 LMH
E-1

READ AND SAVE THESE INSTRUCTIONS
WARNINGS
Failure to comply with the warnings listed below may
result in electric shock or serious injury.
•CAUTION: Toreduce the risk of severe burns, keep this product out of the reach of children
and pets.
•Disassembly, repair or remodeling by an unauthorized person may result in serious harm and will
void the manufactures warranty.
•Always place this humidifier on a firm, flat & level surface. This humidifier may not work properly
on an uneven surface.
•Do not place this product on cloth, carpet or an absorbent surface. This may block air inlet.
•This product releases mist. Do not place this humidifier directly on wood furniture, flooring or any
surfaces that could be damaged by water. Manufacturer does not accept any liability for damage
in the case of the unit being placed incorrectly.
•Do not use if the plug is damaged or loose.
•Before filling or cleaning the unit, make sure it is unplugged.
•Once the humidifier has been plugged in, do not tilt or move the unit.
•Do not handle the plug with wet hands.
•Do not excessively bend, twist, pull or damage the power cord.
•Avoid placing this product where the humidity spout is pointed directly at an object or person.
•Do not inhale the mist/vapor expelled from the product or drink water from the tank.
•Do not fill the water tank with hot or boiling water.
•Do not use this product in direct sunlight or near a heat source such as a stove, heater or radiator.
•If the water tank becomes cracked or damaged, do not use.
•Do not keep this product running for an extended period of time.
•Unplug the cord when unit is not in use for an extended period of time and/or when no one is home.
•Do not keep water in the tank when not in use for an extended period of time.
•Do not clean the unit, water tank or water reservoir with detergents or chemicals of any kind.
•The use of water additives in the tank including ethereal/essential oils, fragrances, eucalyptus,
water conditioners, etc. will damage the appliance materials and as a consequence the whole unit.
Any use of such additives in the tank will void the manufactures warranty.
•Do not use this product near any other electronic device.
•Do not cover the spray spout at any time during use. Do not put anything on or in the tank.
E-2 E-3
This product should be used only in accordance with the specifications outlined
in this manual. Usage other than what has been specified here may result in
serious injury.
•IMPORTANT: Neither humans nor animals can hear the high frequency vibrations.
•When unplugging from outlet hold humidifier securely.
•Do not place cord over objects.
•Do not get water in or on the power cord or where it connects to the product.
•Do not use near a sink.
•Do not touch the water tank during operation.
•Do not submerse the unit in water or pour water on the unit or in the humidity spout.
•When emptying water from water tank, pour on drain side.
•Do not cover the spout with cloth or hand and do not use without the spout.
•Use clean or distilled water in tank. Hard water areas will require more frequent cleaning.
WARNING: This product can expose you to chemicals including lead or lead
compounds, which are known to the State of California to cause cancer or birth
defects or other reproductive harm.
For more information go to www.P65Warnings.ca.gov.
Stop using your humidifier and contact your physician if you have respiratory symptoms
which you believe are associated with periods of use of your home humidifier, even if you
are following maintenance directions.
This equipment has been tested and found to comply with the limits for
a Consumer ISM equipment, pursuant to Part 18 of the FCC Rules.
Although tested, it may affect these devices. If the humidifier is found to interfere,
separate the device and/or the humidifier. Conduct only the user maintenance found
in this manual. Other maintenance and servicing can cause harmful interference
and can void the required FCC compliance.

READ AND SAVE THESE INSTRUCTIONS
WARNINGS
Failure to comply with the warnings listed below may
result in electric shock or serious injury.
•CAUTION: Toreduce the risk of severe burns, keep this product out of the reach of children
and pets.
•Disassembly, repair or remodeling by an unauthorized person may result in serious harm and will
void the manufactures warranty.
•Always place this humidifier on a firm, flat & level surface. This humidifier may not work properly
on an uneven surface.
•Do not place this product on cloth, carpet or an absorbent surface. This may block air inlet.
•This product releases mist. Do not place this humidifier directly on wood furniture, flooring or any
surfaces that could be damaged by water. Manufacturer does not accept any liability for damage
in the case of the unit being placed incorrectly.
•Do not use if the plug is damaged or loose.
•Before filling or cleaning the unit, make sure it is unplugged.
•Once the humidifier has been plugged in, do not tilt or move the unit.
•Do not handle the plug with wet hands.
•Do not excessively bend, twist, pull or damage the power cord.
•Avoid placing this product where the humidity spout is pointed directly at an object or person.
•Do not inhale the mist/vapor expelled from the product or drink water from the tank.
•Do not fill the water tank with hot or boiling water.
•Do not use this product in direct sunlight or near a heat source such as a stove, heater or radiator.
•If the water tank becomes cracked or damaged, do not use.
•Do not keep this product running for an extended period of time.
•Unplug the cord when unit is not in use for an extended period of time and/or when no one is home.
•Do not keep water in the tank when not in use for an extended period of time.
•Do not clean the unit, water tank or water reservoir with detergents or chemicals of any kind.
•The use of water additives in the tank including ethereal/essential oils, fragrances, eucalyptus,
water conditioners, etc. will damage the appliance materials and as a consequence the whole unit.
Any use of such additives in the tank will void the manufactures warranty.
•Do not use this product near any other electronic device.
•Do not cover the spray spout at any time during use. Do not put anything on or in the tank.
E-2 E-3
This product should be used only in accordance with the specifications outlined
in this manual. Usage other than what has been specified here may result in
serious injury.
•IMPORTANT: Neither humans nor animals can hear the high frequency vibrations.
•When unplugging from outlet hold humidifier securely.
•Do not place cord over objects.
•Do not get water in or on the power cord or where it connects to the product.
•Do not use near a sink.
•Do not touch the water tank during operation.
•Do not submerse the unit in water or pour water on the unit or in the humidity spout.
•When emptying water from water tank, pour on drain side.
•Do not cover the spout with cloth or hand and do not use without the spout.
•Use clean or distilled water in tank. Hard water areas will require more frequent cleaning.
WARNING: This product can expose you to chemicals including lead or lead
compounds, which are known to the State of California to cause cancer or birth
defects or other reproductive harm.
For more information go to www.P65Warnings.ca.gov.
Stop using your humidifier and contact your physician if you have respiratory symptoms
which you believe are associated with periods of use of your home humidifier, even if you
are following maintenance directions.
This equipment has been tested and found to comply with the limits for
a Consumer ISM equipment, pursuant to Part 18 of the FCC Rules.
Although tested, it may affect these devices. If the humidifier is found to interfere,
separate the device and/or the humidifier. Conduct only the user maintenance found
in this manual. Other maintenance and servicing can cause harmful interference
and can void the required FCC compliance.

SPECIFICATIONS
HUMIDIFYING MODE: Cool/Warm Mist
TANK CAPACITY: 1.5 gallons
SUCCESSIVE HUMIDITY HOURS: Up to approximately 100 hours between tank refills
when on lowest mist setting.
PARTS
E-4 E-5
PRODUCT SPECIFICATIONS AND PARTS CONTROL PANEL BUTTON FUNCTIONS
FEATURE HIGHLIGHTS
NIGHT LIGHT
An LED illuminates the tank for a soft glow night light.
TIMER
Preset the humidifier to automatically turn off in 4, 8, or 12 hours.
POWER
Turns humidifier ON/OFF.
MIST CONTROL
The spray volume or amount of mist that is produced by the unit can be adjusted to three
levels based on need.
WARM/COOL MIST OPTION
Choose Warm Mist Control for Warm Mist.
REFILL INDICATOR
When the Water Refill button lights up it is time to refill the water tank.
SILVER CLEAN TECHNOLOGY
Unlike other humidifiers that grow slimy mold and mildew, the pureguardian™Ultrasonic
Humidifier uses Silver Clean™technology embedded in the tank to fight the growth of
mildew and mold on the surface of the water tank.
AROMATHERAPY TRAY
Add your favorite essential oil to the Scent Pad.
CONTROL PANEL LIGHTS
Automatically shuts off after 5 seconds. It will light up again when any control button is pushed.
Refill Indicator Light
Night Light
Indicator Light
Night Light
Timer
Power Indicator
Mist Control
Power
Indicator
Light
POWER REFILL LIGHT
4812 LMH
Control Panel
Humidity Spout
Water
Tank
Tank Lid A
Tank Lid B
Base
Water
Tank
Handle
Cleaning
Brush
L
M
H
POWER
12
8
4
WARM
REFILL
LIGHT
Warm Mist Control
Warm Mist Indicator Light
Timer
Indicator
Lights
Mist
Indicator
Lights
Power Plug
Aromatherapy Oil
Tray and Pad

SPECIFICATIONS
HUMIDIFYING MODE: Cool/Warm Mist
TANK CAPACITY: 1.5 gallons
SUCCESSIVE HUMIDITY HOURS: Up to approximately 100 hours between tank refills
when on lowest mist setting.
PARTS
E-4 E-5
PRODUCT SPECIFICATIONS AND PARTS CONTROL PANEL BUTTON FUNCTIONS
FEATURE HIGHLIGHTS
NIGHT LIGHT
An LED illuminates the tank for a soft glow night light.
TIMER
Preset the humidifier to automatically turn off in 4, 8, or 12 hours.
POWER
Turns humidifier ON/OFF.
MIST CONTROL
The spray volume or amount of mist that is produced by the unit can be adjusted to three
levels based on need.
WARM/COOL MIST OPTION
Choose Warm Mist Control for Warm Mist.
REFILL INDICATOR
When the Water Refill button lights up it is time to refill the water tank.
SILVER CLEAN TECHNOLOGY
Unlike other humidifiers that grow slimy mold and mildew, the pureguardian™Ultrasonic
Humidifier uses Silver Clean™technology embedded in the tank to fight the growth of
mildew and mold on the surface of the water tank.
AROMATHERAPY TRAY
Add your favorite essential oil to the Scent Pad.
CONTROL PANEL LIGHTS
Automatically shuts off after 5 seconds. It will light up again when any control button is pushed.
Refill Indicator Light
Night Light
Indicator Light
Night Light
Timer
Power Indicator
Mist Control
Power
Indicator
Light
POWER REFILL LIGHT
4812 LMH
Control Panel
Humidity Spout
Water
Tank
Tank Lid A
Tank Lid B
Base
Water
Tank
Handle
Cleaning
Brush
L
M
H
POWER
12
8
4
WARM
REFILL
LIGHT
Warm Mist Control
Warm Mist Indicator Light
Timer
Indicator
Lights
Mist
Indicator
Lights
Power Plug
Aromatherapy Oil
Tray and Pad

SET UP
Select a firm, level, flat location - at least six inches (15 cm) from any wall or object for proper air
flow. Place the humidifier on a water-resistant surface, as water can damage furniture and some
flooring. Do not place unit directly on carpet, towels, blankets or other absorbent surfaces.
Guardian Technologies will not accept responsibility for damage caused by water spillage.
NOTE: Handle is designed to carry tank, not unit.
FILLING
Make sure unit is unplugged.
E-6 E-7
DIRECTIONS FOR USE DIRECTIONS FOR USE
1. Lift the water tank by the handle
to separate the tank from the base
of the unit.
2. Depending on your water source choose
either tank LID A (fill sideways) or
tank LID B (fill lengthwise).
Remove lid by turning it to the left.
IMPORTANT: Remove only 1 lid when filling.
3. Pour cool, clean water directly into the tank. Do not pour anything but water into the tank.
Close the tank lid, turning it to the right. It is important to FIRMLY secure cap after filling the tank with water.
4. Return the tank.
A. Guide tank into base.
B. Lift tank slightly to connect
tank to the top edge of the
control panel.
POWER BUTTON
Before turning on make sure there is water
in the unit. Press the Power Button.
CONTROL OPERATION
1. Night Light Feature
Press the Night Lamp button
to turn night light on/off.
POWER
2. Timer
Press the Timer button to select either 4, 8,
or 12 hours. The unit will turn off in that time.
4812
3. Mist Control Button
When you press the Mist Control
button there are three options:
Press once for LOW
Press twice for MEDIUM*
Press three times for HIGH
*Medium is default setting.
4. Water Refill Indicator
When the unit is low on water the Refill
LED on the front panel will light up, and
the unit will shut off. Simply add more
water to continue use. Unit will
automatically resume running when
water tank has been refilled.
REFILL
LMH
NOTE: If control panel lights are off - push any button to wake up, then proceed with control operation below.
LID A
LID B
NOTE: The humidifier is equipped with a safety device that will automatically shut the unit off
when activated. Torestart, unplug for 5 seconds, replug then press the power button. If the unit
continues to shut down, there may still be an abnormal condition and the unit may need service.
Call Customer Service..
AB
5. Add a few drops of your favorite essential
oil to the pad in the tray. (Oil not included)
WARNING: DO NOT add oils or other additives
directly into the water tank. Add only to the pad
in the tray. Oils added to the tank will damage the
tank and the whole unit. Any use of such additives
in the tank will void the manufacturers warranty.
Pureguardian essential oils and replacement pads
sold separately at www.guardiantechnologies.com
Warm Humidification Control
Press to select warm mist. When warm
is selected, LED will light. Water temperature is
maintained at room temperature for cool setting
and 80 degrees for warm. Allow 15 minutes for
water to warm.
WARM

SET UP
Select a firm, level, flat location - at least six inches (15 cm) from any wall or object for proper air
flow. Place the humidifier on a water-resistant surface, as water can damage furniture and some
flooring. Do not place unit directly on carpet, towels, blankets or other absorbent surfaces.
Guardian Technologies will not accept responsibility for damage caused by water spillage.
NOTE: Handle is designed to carry tank, not unit.
FILLING
Make sure unit is unplugged.
E-6 E-7
DIRECTIONS FOR USE DIRECTIONS FOR USE
1. Lift the water tank by the handle
to separate the tank from the base
of the unit.
2. Depending on your water source choose
either tank LID A (fill sideways) or
tank LID B (fill lengthwise).
Remove lid by turning it to the left.
IMPORTANT: Remove only 1 lid when filling.
3. Pour cool, clean water directly into the tank. Do not pour anything but water into the tank.
Close the tank lid, turning it to the right. It is important to FIRMLY secure cap after filling the tank with water.
4. Return the tank.
A. Guide tank into base.
B. Lift tank slightly to connect
tank to the top edge of the
control panel.
POWER BUTTON
Before turning on make sure there is water
in the unit. Press the Power Button.
CONTROL OPERATION
1. Night Light Feature
Press the Night Lamp button
to turn night light on/off.
POWER
2. Timer
Press the Timer button to select either 4, 8,
or 12 hours. The unit will turn off in that time.
4812
3. Mist Control Button
When you press the Mist Control
button there are three options:
Press once for LOW
Press twice for MEDIUM*
Press three times for HIGH
*Medium is default setting.
4. Water Refill Indicator
When the unit is low on water the Refill
LED on the front panel will light up, and
the unit will shut off. Simply add more
water to continue use. Unit will
automatically resume running when
water tank has been refilled.
REFILL
LMH
NOTE: If control panel lights are off - push any button to wake up, then proceed with control operation below.
LID A
LID B
NOTE: The humidifier is equipped with a safety device that will automatically shut the unit off
when activated. Torestart, unplug for 5 seconds, replug then press the power button. If the unit
continues to shut down, there may still be an abnormal condition and the unit may need service.
Call Customer Service..
AB
5. Add a few drops of your favorite essential
oil to the pad in the tray. (Oil not included)
WARNING: DO NOT add oils or other additives
directly into the water tank. Add only to the pad
in the tray. Oils added to the tank will damage the
tank and the whole unit. Any use of such additives
in the tank will void the manufacturers warranty.
Pureguardian essential oils and replacement pads
sold separately at www.guardiantechnologies.com
Warm Humidification Control
Press to select warm mist. When warm
is selected, LED will light. Water temperature is
maintained at room temperature for cool setting
and 80 degrees for warm. Allow 15 minutes for
water to warm.
WARM

CLEANING
•Always unplug the unit before servicing in any way.
•The water temperature of the water remaining in the unit after use may be high, allow
time for it to cool.
GENERAL CLEANING
•Inside the base of the unit. Pour excess water out of the unit. Wash out the unit with fresh
water using the cleaning brush and a soft cloth as needed. Do not submerse the base of the
unit into water, or allow water to enter inside the dry air exhaust port of the unit.
•Water tank. Empty water tank. Remove mist nozzle and clean the mist tube with fresh water
and a light brush (bottle cleaning brush is recommended).
•Outer surface of the unit. Wipe the surface of the unit with a soft, damp cloth if needed.
If you notice an accumulation of water during usage, reduce humidity and dry outer surface
with a cloth.
DESCALING
•Depending on usage and water type, cleaning to remove scale may be required
weekly or every other week to optimize unit performance.
•If you live in a hard water area, we recommend the use of distilled water for your
humidifier. This will help reduce the precipitation of minerals or ‘white dust’.
•Do not clean the unit or water tank with detergents or cleaning chemicals of any kind.
ULTRASONIC DISK
1. Unplug unit.
2. Remove the tank and empty all water from unit base and tank.
3. Locate the ultrasonic disk on the inside center of the base unit.
4. Use ONLY the enclosed cleaning brush to gently clean disk and remove build up and deposits.
Do not scrub or scrape the ultrasonic disk.
E-8 E-9
CLEANING CLEANING
Ultrasonic Disk
*Clean the disk with the
brush only. No other
cleaning tool should
be used. BRUSH ONLY.
CLEANING
If scale becomes difficult to remove with brush:
1. Fill the Base with: mixture of 1 tsp. white vinegar and 1 tsp. water.
2. Let solution stand for 5 minutes.
3. With the vinegar in the Base, clean all interior surfaces with a soft cloth or brush to help
remove scale.
4. Also check mist nozzle and mist tube in water tank. Clean as needed.
5. Rinse the Base thoroughly with water to remove scale and vinegar solution.
Are minerals in your water producing white dust?
Try Decalcification Cartridge FLTDC20.
Look for cartridge at your local retailer or visit
www.guardiantechnologies.com
END OF SEASON STORAGE
•Follow the Cleaning and Descaling instructions when the humidifier will be stored at
the end of the season.
•Dry the humidifier completely before storing. DO NOT store with water inside the
Base or Water Tank.
•Pack the unit in its original carton and store in a cool, dry location.
2
NOTE: IF YOU EXPERIENCE A PROBLEM DO NOT ATTEMPT TO OPEN THE MOTOR
HOUSING YOURSELF. DOING SO MAY VOID YOUR WARRANTY AND CAUSE DAMAGE
TO THE HUMIDIFIER OR PERSONAL INJURY.

CLEANING
•Always unplug the unit before servicing in any way.
•The water temperature of the water remaining in the unit after use may be high, allow
time for it to cool.
GENERAL CLEANING
•Inside the base of the unit. Pour excess water out of the unit. Wash out the unit with fresh
water using the cleaning brush and a soft cloth as needed. Do not submerse the base of the
unit into water, or allow water to enter inside the dry air exhaust port of the unit.
•Water tank. Empty water tank. Remove mist nozzle and clean the mist tube with fresh water
and a light brush (bottle cleaning brush is recommended).
•Outer surface of the unit. Wipe the surface of the unit with a soft, damp cloth if needed.
If you notice an accumulation of water during usage, reduce humidity and dry outer surface
with a cloth.
DESCALING
•Depending on usage and water type, cleaning to remove scale may be required
weekly or every other week to optimize unit performance.
•If you live in a hard water area, we recommend the use of distilled water for your
humidifier. This will help reduce the precipitation of minerals or ‘white dust’.
•Do not clean the unit or water tank with detergents or cleaning chemicals of any kind.
ULTRASONIC DISK
1. Unplug unit.
2. Remove the tank and empty all water from unit base and tank.
3. Locate the ultrasonic disk on the inside center of the base unit.
4. Use ONLY the enclosed cleaning brush to gently clean disk and remove build up and deposits.
Do not scrub or scrape the ultrasonic disk.
E-8 E-9
CLEANING CLEANING
Ultrasonic Disk
*Clean the disk with the
brush only. No other
cleaning tool should
be used. BRUSH ONLY.
CLEANING
If scale becomes difficult to remove with brush:
1. Fill the Base with: mixture of 1 tsp. white vinegar and 1 tsp. water.
2. Let solution stand for 5 minutes.
3. With the vinegar in the Base, clean all interior surfaces with a soft cloth or brush to help
remove scale.
4. Also check mist nozzle and mist tube in water tank. Clean as needed.
5. Rinse the Base thoroughly with water to remove scale and vinegar solution.
Are minerals in your water producing white dust?
Try Decalcification Cartridge FLTDC20.
Look for cartridge at your local retailer or visit
www.guardiantechnologies.com
END OF SEASON STORAGE
•Follow the Cleaning and Descaling instructions when the humidifier will be stored at
the end of the season.
•Dry the humidifier completely before storing. DO NOT store with water inside the
Base or Water Tank.
•Pack the unit in its original carton and store in a cool, dry location.
2
NOTE: IF YOU EXPERIENCE A PROBLEM DO NOT ATTEMPT TO OPEN THE MOTOR
HOUSING YOURSELF. DOING SO MAY VOID YOUR WARRANTY AND CAUSE DAMAGE
TO THE HUMIDIFIER OR PERSONAL INJURY.

E-10 E-11
LIMITED WARRANTY
TROUBLE SHOOTING GUIDE
Water vapor and humidity
are not produced.
Power Plug: Unplug and then try again.
Power Failure: When the power is returned, try again.
Tank Installation: Make sure the tank is correctly attached.
The surface of the ultrasonic disk is dirty: Clean ultrasonic disk.
PROBLEM SOLUTION
Air blows but water vapor
is not produced.
Excessive Water: Remove a certain amount of water from the tank.
Increase mist setting.
Detergent residue and/or oil ingredients from cosmetics may be in
tank; wash out tank and try again.
The surface of the ultrasonic disk is dirty: Clean ultrasonic disk.
If you use hard water, replace with softer water.
Humidity level is low. The surface of the ultrasonic disk is dirty: Clean ultrasonic disk.
The water in the unit is too cold: Replace with cool, but not cold water.
Damage on the ultrasonic disk: Contact Customer Service
The humidity has
a bad smell.
Poor maintenance or dirty water: Clean the product thoroughly,
and fill it with fresh water.
White dust is forming on
nearby furniture.
Hard water may deposit a certain amount of dust. Dust in the air also
settles because of added humidity in the room. Use distilled water if
this becomes a nuisance.
* Decalcification Filter available at www.guardiantechnologies.com
or through Customer Service.
Unit has stopped working. No or low water. Unplug unit and refill tank. Check timer has not been set.
Water is accumulating outside
of unit or area surrounding unit.
Saturation of humidity. Lower mist control setting.
Unit not level and water is accumulating. Unplug and place on level
surface. Point spray away from objects. Raise unit on a water-resistant
level surface 2-3 feet off of floor.
Increased noise level. Unit must be placed on a flat, level, hard surface.
Make sure it is NOT placed on a soft or absorbent surface.
Warm humidity is not produced. It may take 10-15 minutes before warm humidity is created. The mist
may not feel warm due to the fact it is so fine and is cooled rather
quickly from the air in your home. Test by either feeling the base of the
unit which should be warm to the touch or by allowing the unit to run for
approximately 30 minutes on warm setting in a closed 200 sq. foot room
or smaller. The room should feel moderately warmer if the unit is
working properly.
Unit shuts off unexpectedly or
does not operate.
Check that the safety device triggered. Torestart, unplug for 5 sec/replug
then press the power button. Call Customer Service.
Water dripping when refilling. Water remaining on bottom of tank. Wipe tank or tilt to drain before
transporting.
Make sure tank cap is secured tightly.
To the consumer, Guardian Technologies LLC warrants this product to be free of defects
in materials or workmanship commencing upon the date of the original purchase. In order
to be eligible for this Limited Warranty, an original sales receipt or comparable substitute
proof of purchase bearing the date of original purchase is required. Refer to the original
product carton or specific product/model page on the Guardian Technologies website for
warranty length for your particular model. This warranty applies only to the original
purchaser of this product from the original date of purchase. This warranty covers product
purchased from authorized distributors only.
This warranty applies to repair or replacement of product found to be defective in
materials or workmanship. This warranty does not apply to damage resulting from
unusual wear, commercial, abusive, unreasonable use or supplemental damage. This
warranty does not cover damage from unauthorized repairs or from any use not in
accordance with the instruction manual. Defects that are the result of normal wear and
tear will not be considered manufacturing defects under this warranty.
If this product should become defective within the warranty period, we will repair or
replace any defective parts free of charge. All warranty repairs must be completed by
Guardian Technologies LLC. This warranty gives you specific legal rights and you may
also have other rights (other rights may vary from state to state in the U.S.A.)
To submit product under warranty the complete machine must be delivered pre-paid to
GuardianTechnologies LLC. Please include complete information including: the problem,
the model number of the product, the day of purchase, and a copy of the original sales
receipt along with your name, address, and telephone (email optional).
Address returns to the attention of: Customer Service, at the address below.
Additional questions or comments can be made toll free to the number listed below.
USA and Canada
Guardian Technologies LLC
26251 Bluestone Blvd.
Euclid, Ohio 44132
1.866.603.5900
www.guardiantechnologies.com
Please go to www.guardiantechnologies.com to register your product. We consider the
registration process important to ensuring superior service to our customers, however
submitting the warranty registration is optional and does not affect your rights to utilize this
warranty according to the conditions stated above.
Additional copies of the instruction manual can be obtained by accessing and printing
directly from our website or calling customer service.

E-10 E-11
LIMITED WARRANTY
TROUBLE SHOOTING GUIDE
Water vapor and humidity
are not produced.
Power Plug: Unplug and then try again.
Power Failure: When the power is returned, try again.
Tank Installation: Make sure the tank is correctly attached.
The surface of the ultrasonic disk is dirty: Clean ultrasonic disk.
PROBLEM SOLUTION
Air blows but water vapor
is not produced.
Excessive Water: Remove a certain amount of water from the tank.
Increase mist setting.
Detergent residue and/or oil ingredients from cosmetics may be in
tank; wash out tank and try again.
The surface of the ultrasonic disk is dirty: Clean ultrasonic disk.
If you use hard water, replace with softer water.
Humidity level is low. The surface of the ultrasonic disk is dirty: Clean ultrasonic disk.
The water in the unit is too cold: Replace with cool, but not cold water.
Damage on the ultrasonic disk: Contact Customer Service
The humidity has
a bad smell.
Poor maintenance or dirty water: Clean the product thoroughly,
and fill it with fresh water.
White dust is forming on
nearby furniture.
Hard water may deposit a certain amount of dust. Dust in the air also
settles because of added humidity in the room. Use distilled water if
this becomes a nuisance.
* Decalcification Filter available at www.guardiantechnologies.com
or through Customer Service.
Unit has stopped working. No or low water. Unplug unit and refill tank. Check timer has not been set.
Water is accumulating outside
of unit or area surrounding unit.
Saturation of humidity. Lower mist control setting.
Unit not level and water is accumulating. Unplug and place on level
surface. Point spray away from objects. Raise unit on a water-resistant
level surface 2-3 feet off of floor.
Increased noise level. Unit must be placed on a flat, level, hard surface.
Make sure it is NOT placed on a soft or absorbent surface.
Warm humidity is not produced. It may take 10-15 minutes before warm humidity is created. The mist
may not feel warm due to the fact it is so fine and is cooled rather
quickly from the air in your home. Test by either feeling the base of the
unit which should be warm to the touch or by allowing the unit to run for
approximately 30 minutes on warm setting in a closed 200 sq. foot room
or smaller. The room should feel moderately warmer if the unit is
working properly.
Unit shuts off unexpectedly or
does not operate.
Check that the safety device triggered. Torestart, unplug for 5 sec/replug
then press the power button. Call Customer Service.
Water dripping when refilling. Water remaining on bottom of tank. Wipe tank or tilt to drain before
transporting.
Make sure tank cap is secured tightly.
To the consumer, Guardian Technologies LLC warrants this product to be free of defects
in materials or workmanship commencing upon the date of the original purchase. In order
to be eligible for this Limited Warranty, an original sales receipt or comparable substitute
proof of purchase bearing the date of original purchase is required. Refer to the original
product carton or specific product/model page on the Guardian Technologies website for
warranty length for your particular model. This warranty applies only to the original
purchaser of this product from the original date of purchase. This warranty covers product
purchased from authorized distributors only.
This warranty applies to repair or replacement of product found to be defective in
materials or workmanship. This warranty does not apply to damage resulting from
unusual wear, commercial, abusive, unreasonable use or supplemental damage. This
warranty does not cover damage from unauthorized repairs or from any use not in
accordance with the instruction manual. Defects that are the result of normal wear and
tear will not be considered manufacturing defects under this warranty.
If this product should become defective within the warranty period, we will repair or
replace any defective parts free of charge. All warranty repairs must be completed by
Guardian Technologies LLC. This warranty gives you specific legal rights and you may
also have other rights (other rights may vary from state to state in the U.S.A.)
To submit product under warranty the complete machine must be delivered pre-paid to
GuardianTechnologies LLC. Please include complete information including: the problem,
the model number of the product, the day of purchase, and a copy of the original sales
receipt along with your name, address, and telephone (email optional).
Address returns to the attention of: Customer Service, at the address below.
Additional questions or comments can be made toll free to the number listed below.
USA and Canada
Guardian Technologies LLC
26251 Bluestone Blvd.
Euclid, Ohio 44132
1.866.603.5900
www.guardiantechnologies.com
Please go to www.guardiantechnologies.com to register your product. We consider the
registration process important to ensuring superior service to our customers, however
submitting the warranty registration is optional and does not affect your rights to utilize this
warranty according to the conditions stated above.
Additional copies of the instruction manual can be obtained by accessing and printing
directly from our website or calling customer service.

©2016 Guardian Technologies LLC
Guardian Technologies LLC
26251 Bluestone Blvd. • Euclid, OH 44132
1.866.603.5900 • www.guardiantechnologies.com
USE & CARE INSTRUCTIONS
Ultrasonic Cool/Warm Mist
Tower Humidifier
Model No. H3250
3-Year Limited Warranty
Customer Service
1.866.603.5900
www.guardiantechnologies.com
Date Purchased month ________ year _________
English E - 1 French F - 1 Spanish S - 1
Note: Use GENUINE Guardian Technologies replacement parts only. REV0218
POWER REFILL LIGHT
4812 LMH
E-1