GENDRON 3875 User manual

USER MANUAL
Sentinel II Bariatric Expandable Low Bed
Model 3875
Gendron Inc.
520 W. Mulberry Street –Suite 100
Bryan, Ohio 43506
www.gendroninc.com

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Table of Contents
Parts Locator 4
Safety Notes 5
Power Requirements 6
Features 8
Function & Basic Operation 10
Assembly Instructions 23
Bed Controls 25
Diagnostics & Repair 28
Scale 29
Inspection, Cleaning & Maintenance 32
Specifications 34
Warranty 35

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Parts Locator

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Safety Notes
Failure to observe these safety precautions may result in personal
injury or mechanical failure. Read all instructions carefully before
using the bed.
Watch for pinch points. Keep clear of any mechanism in motion.
When a patient is left unattended or while transporting a patient it is
recommended that the siderails are raised.
When raising the siderails make sure it is completely raised and locked.
Gently pull on the siderail to verify that it is latched in position.
Ensure that all deck extensions are adjusted to the same width.
Equipment damage may occur during deck articulation.
Gently push/pull on the extensions to verify that they are locked in
position.
Always set the brakes when the bed is occupied unless transporting the
patient.
Before transporting the bed, make sure the power cord is properly stowed.
Failure to do so my result in equipment damage.
The brakes are not designed to stop a bed in motion. Do not operate
central brake/steer function when moving the bed.
Do not move the bed using the siderails. Use the provided push
handles or head/foot boards.
The bed exit alarm is not intended to be a substitute for good nursing
practices. This system must be used in conjunction with a sound risk
assessment and protocol.
Keep all objects out from under the bed. Certain parts under the bed raise
and lower when it is in motion. Make sure there is nothing under the bed
to interfere with proper bed operations.
Make sure the handset cord is properly positioned before operating the
bed. Do not allow the cord to get caught in the moving parts of the bed.
Disconnect the two electrical cables below the footboard before attempting
to remove the footboard.

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Before cleaning any portion of the bed, disconnect power cord from wall
outlet.
Before using any cleaning product, test it on the underside of the bed.
Never use any volatile or flammable fluid that could cause discoloration or
deterioration.
Do not operate this device if the power cord or any of the cords between
the associated parts are cut, frayed or loosely connected.
Do not use a bed with any missing or damaged parts.
Do not service this device without first unplugging the power cord and
battery. Bed sections can move even with power cord unplugged
because of backup battery.
If service is required it is recommended that you contact Gendron
customer service at 1-800-537-2521 or your local authorized Gendron
dealer.
Weight capacity: Never exceed the rated capacity of your bed
(combined weight of user and items on bed.) Exceeding weight limit may
cause bed to fail.
Power requirements: Electrical hazard may occur if device is plugged into
inadequate power supply. A power source of 120 V AC 60 hertz with a
capacity of at least 4 amperes must be available to operate the bed.
Proper grounding is achieved only when bed is connected to
“Hospital Grade Receptacle.”
Battery Backup: The systems battery automatically charges when the
power cord is plugged into an electric outlet. The battery maintains a
charge to allow the bed to be operated in case of power failure.
Unplug battery to prevent discharge during storage. Failure to do so will
reduce battery life.
Always allow head section to fully lower when using CPR release. Failure
to do so may damage actuator.
Disconnect AC power before unplugging any cables on the control
module. Failure to do so may result in control module damage.

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Initialization: The bed must be initialized before first use and after power
is interrupted/disconnected for Level All function to work properly. To
initialize, press the bed up button until the bed is raised to its full up
position. If the bed is already in the full up position lower the bed slightly,
then lift. Once the bed is lifted to its full up position the bed is initialized.

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Features
- 7-Function articulation
1) Raise and lower head section
2) Raise and lower knee section
3) Raise and lower bed
4) Trendelenburg
5) Reverse Trendelenburg
6) Cardio chair
7) Bed flat
- Power functions are powered by 24-volt DC electric actuators.
- Electrical Power: 120 volt AC power transformer converts system to 24-volt DC.
- Power plug: Three-prong hospital grade plug.
- Battery backup: Battery backup allows full use of bed when AC power supply is
not available for a limited time.
- Pendant control: Pendant control allows the patient access to operation of bed
electrical controls. The functions on this handset can be selectively locked out by
the caregiver control.
- Construction: Constructed entirely of steel, solid frame, powder coat paint.
- Bed deck: Adjustable to widths 38”, and 48”. Length adjustable from 80” to 84”
to 88" long.
- Siderails: 3-position swing down type.
- Casters: Heavy duty 5 inch casters with central locking and braking system.
- Head section angle indicator for accurate patient positioning.
- CPR release: To rapidly lower the head section pull and hold the CPR release
handle.
- Under bed light: Illuminates the area under the bed frame for patient safety in
low light conditions.
- Bed exit alarm: Programmable for variable sensitivity, alerts caregiver through
the facilities nurse call system or audible alarm in the bed.
- Rotating scale display: Scale display rotates down to protect patient privacy
while not in use.

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- Caregiver control panel: Allows caregiver access to bed controls and lockouts
for patient siderail control.
- Caregiver head end side panel: Allows caregiver access to bed controls from
the head end siderails to control bed actuation, brake actuation, and lockouts for
patient siderail controls.
- Patient head end siderail control panel: Allows patient access to bed controls
related to raising/lowering backrest and knee section unless locked out by
caregiver controls.
- Accessory sockets: One IV socket on each corner of bed.
- IV Pole (optional – not included): Removable telescopic IV pole.
- O2 holder (optional – not included): Oxygen tank holder can be installed into
one of the (4) IV sockets.

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Function & Basic Operation
Initialization: The bed must be initialized before first use and after power is
interrupted/disconnected for Level All function to work properly. To initialize,
press the bed up button until the bed is raised to its full up position. If the bed is
already in the full up position lower the bed slightly, then lift. Once the bed is
lifted to its full up position the bed is initialized.
Patient Pendant
Pendant control allows easy operation of bed controls. Press and hold button to
operate each function.
1) Raise and lower head section
2) Raise and lower knee section
3) Nurse call
1) Head Up ↑and Down ↓
2) Knee Up ↑and Down ↓
3) Nurse Call

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Caregiver Controls
Caregiver controls are located at the foot end of the bed, on the side opposite of
the rotating scale display.
Caregiver Controls

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Lockout control
To lock/unlock a function from being used press and hold the
up/down arrow button of the function to be locked/unlocked.
A yellow LED is lit above the buttons of locked functions.
Head/Knee/Bed/Tilt (trendelenburg/ reverse trendelenburg)
Press and hold the button of the function desired + or
Cardio chair position
Press and hold the button.
When the cardio chair button is pushed the head and knee will raise
simultaneously to their highest position, then the foot end of the bed will
lower (reverse tilt).
Level All
Press and hold the button.
When the level all button is pushed the head and knee sections will
lower and then the bed will level at the current height.
Initialization: The bed must be initialized before first use and after power
is interrupted/disconnected for Level All function to work properly. To
initialize, press the bed up button until the bed is raised to its full up
position. If the bed is already in the full up position lower the bed slightly,
then lift. Once the bed is lifted to its full up position the bed is initialized.

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Under bed light
Push the button to turn the light on or off.
A yellow LED is lit above the button when the light is on.
Nurse call
Press the nurse call button
Nurse call must be reset through the room's headwall system.
Siderail keypad controls

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Central Brake/Steer Function
The Brake/Steer/Neutral push buttons are located on each head end siderail on
the caregiver side and on the footboard control.
Neutral Position
When positioning the bed in a small area set the Brake/Steer position
in the neutral position to release the steer function and brakes.
To activate neutral function press down on "Neutral" button on the
caregiver head end siderail control panel or the footboard control panel.
A green LED is illuminated.
Steer Position
When transporting the bed use the steer function to keep the bed tracking
in a straight line and to assist in turning corners.
To activate steer function press down on "Steer" button on the
caregiver head end siderail control panel or the footboard control panel.
A yellow LED is illuminated.
Brake Position
To activate steer function press down on "Brake" button on the
caregiver head end siderail control panel or the footboard control panel.
A red LED is illuminated.
Caution: Always set the brakes when the bed is occupied unless
transporting the patient.
Caution: The brakes are not designed to stop a bed that is in motion.
Do not operate central brake/steer function when moving the bed.
Failure to do so could result in equipment damage or injury.

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Siderail Operation
Siderails are located on each side of the bed. Siderails have a 3-position swing
down operation.
To raise siderail, grasp top section of rail and lift. Allow release pin to snap into
the locked position.
Caution: Make sure siderails are securely locked into position to prevent
injury. Gently pull on the siderail to verify that it is latched in position.
To lower side rail, push the siderail release knob and lower side rail.

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CPR Release
For emergency lowering of head section pull and hold the CPR release handle.
The CPR release handle is located at the head end of the bed on both the left
and right side.
Caution: Always allow head section to fully lower when using CPR
release. Failure to do so may damage the actuator.
Note:
1. CPR release may not operate unless a patient is lying on the bed.
2. After activating CPR function it may be necessary to drive the actuator inward
(head down) to reset the actuator before raising the head section.

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Side Extension
Using the deck extensions the bed width can be changed from 38” to 48” . To
adjust the side extensions pull the black knob that is at the end of each extension
and move to the desired position.
Caution: Gently push/pull on the extension to verify that it is locked in
position.
Caution: Ensure that all side extensions are adjusted to the same width.
Equipment damage may occur during deck articulation.
Caution: Ensure that deck extensions are adjusted to properly fit the
mattress. Improperly adjusted extensions may create dangerous gaps
between the mattress and siderails.

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Foot Extension
Using the foot extension, the bed length can be adjusted from 80”, 84 and to 88”.
To adjust the foot extension, pull the black knob that is at center of the extension
(below the footboard) and move to the desired position.
Caution: Gently push/pull on the extension to verify that it is locked in
position.
Caution: Ensure that the extension is adjusted to properly fit the mattress.
An improperly adjusted extension may create a dangerous gap between
the mattress and footboard.

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Battery Backup
Battery backup allows full use of bed functions when AC power is not available
for a limited time.
Caution: Disconnect battery to prevent discharge during storage. Failure
to do so will reduce battery life.
Caution: Recharging a fully discharged battery may take up to 24 hours.
Battery cable is located at the head end of bed frame and plugs into the
controller box located at the head end of the bed.

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Battery Disconnect
The battery plug can be disconnected form the controller once the retainer lock is
disengaged from the battery plug. To release this retainer lock it will be
necessary to use a small blade screw driver and holes have been provided in the
cover for this access.
When plugging the battery plug into the controller it will be necessary to push the
retainer lock up to lock the battery plug into the controller.