Biobase BOV-V30F User manual

Maintenance Manual
Forced Air Drying Oven
BOV-V30/45/65/125/230/625F
User Manual
BIOBASE GROUP
Version 2020.07

Preface
Thank you for purchasing BIOBASE Drying Oven.
Using object
This manual will show you how to perform preventive
maintenance the instrument and software.
Before using the product, please carefully read this manual.
Keep this manual in a safe place for easy reference. If you do
not follow the precautions described in this manual, we will
not guarantee the maintenance.

Instrument Maintenance
To keep the instrument work in good condition, constant maintain is needed.
1. General maintenance instructions
Follow the suggestions below to provide preventive and timely service to your equipment:
1.1. Always keep your equipment clean. If your equipment will not be used for some period of time, it is
recommended to clean the inside of the camera.
1.2. Constantly verify that the power supply of the equipment is adequate
1.3. Verify that the laboratory temperature is not higher than 35°C.
1.4. If your laboratory has dust or volatile particles, it is recommended to clean the Control Panel.
Disconnect the equipment from the line first. Unscrew the control cap. Using bottled compressed air, clean
control.
1.5. Check that the fans and motor turn on and do not generate noise.
1.6. Never raise the maximumtemperature of the equipment for long periods of time, this limits the useful
life of the resistors.
1.7. Do not obstruct the ventilation grills of the equipment, this could cause malfunction of the equipment.
1.8. Disconnect the equipment from the line if it will not be used for a long time.
2. Damage requiring specialized service
1.-Damage requiring service- the unit will require service by qualified personnel if:
a) The power supply cord or plug has been damaged;
b) Some object or liquid has entered the heating unit;
c) The unit has been exposed to rain;
d) The unit does not operate normally or exhibits a relevant change in its performance;
e) The unit has been dropped or the cabinet has been damaged.
2. Service
Do not attempt to service this unit beyond what is described in these operating instructions. Direct any other
service to authorized service personnel.
3. Replacement parts
When parts or pieces need to be replaced, make sure that parts specified by the manufacturer or parts that have
the same characteristics as the original ones are used.
4. Safety Check
After repairs or service have been performed, have your service agent perform safety checks to confirm that the
unit is in proper operating condition.

3. Possible Faults
1) Switch does not turn on
• Check power cable, plug, general fuse and ignition switch.
• Solution: replace
2) Does not heat or does not raise the temperature
• Check resistance connections, resistance leads or terminals, replace if necessary.
• Open resistance without continuity: Replace
• Solid State Relay: Replace
3) No Temperature Control
• Solid state relay. replace
• Open temperature sensor. replace
4) The motor or fan does not turn on
• Motor. replace
• Fan. replace
4. Trouble Shooting
Common failures and Solutions:
Phenomena
Causation
Treatment Method
No power supply
a. poor plug contact or line broke
a. Connect the plug and line.
b. Fuse protector is broken.
b. Change the fuse protector.
No temperature
rising inside
container
a. Low setting temperature
a. Readjust and set temperature
b. Heater is broken.
b. Change the heater
c. Temp. controller is broken
c. Change the temperature controller
d. Temp. sensor is loose.
d. Screw up the sensor nut.
e. Temp. sensor is broken
e. Change the temperature sensor.
No temperature
rising alarm
a. Set temp. of Detached tem. limiter
is low
a. Readjust the temperature 30℃
above setting temperature.
b. Detached temp. limiter sensor is
broken.
b. Change the detached temperature
limiter sensor
Temperature cannot
reach the setting
point.
a. Exhaust port is fully opened
a. Shut off the exhaust port.
b. The container is overfilled, no hot
air convection.
b. Decrease amount of sample to
improve convection condition.

The fan doesn’t
work.
The fan motor is broken
Stop work and check electric capacity
and motor
Displaying-------
The sensor is broken
Change the sensor
Display STOP
Time-up
Press the program key for 3s to start
BIOBASE GROUP
2# building, No.9 Gangxing Road, High-tech Zone, Jinan City, Shandong Province, China
Tel: [phone]
Fax: [phone]
Inquiry: [e-mail]
Complaints: customer_su[email protected]
After-sales service: [email protected]; service_iv[email protected]
Web: www.biobase.cc/www.meihuatrade.com / www.biobase.com