Troubleshooting And Repair - Labnet I-4001-HCS Instruction Manual

8.0 Troubleshooting and Repair

Problem
No display shown in the
monitor when the power is on.
During Run, the housing shakes
abnormally and makes an
abnormal noise.
Bad temperature uniformity of
the block.
The system no longer operates
after changing the block.
Serious discrepancy between
the actual temperature and the
displayed temperature.
The cooling of the module
drastically slows down or the
temperature cannot reach
below room temperature.
The module is neither able to
heat nor cool.
Vibration stops.
User shall not open the cover of this instrument when under warranty. If housing does need to be opened to perform
certain repairs per the above instruction, please contact the supplier or manufacturer.
Should you have a question about the operation of the Labnet Microtube Shaking Incubator or if service is required, contact Customer
Service. Do not send in a unit for service without first calling to obtain a repair authorization number. Should the unit require return
for service, it should be properly packed to avoid damage. Any damage resulting from improper packaging shall be the responsibility
of the user.
8 | LABNET MICROTUBE SHAKING INCUBATOR
Probable Cause
Power is not connected.
Fuse has burned out.
Switch is broken.
Other.
Use improper block.
Unit is placed on uneven surface.
Round feet badly worn.
Other.
Improper installation of the block. Reinstall the block.
Bad cooling components.
Bad grounding of the machine.
Broken sensor or bad contact.
Thermoelectric cooling module is
broken.
Fan is broken or does not work.
Temperature sensor is broken.
Thermoelectric cooling module is
broken.
Drive is broken.
Motor is broken.
Fuse has burned out.
Remedy
Check the power and connect it.
Change the fuse:
BYQ15412A000020: 125V, 2.5A, 5 x 20 mm

BYQ15411A500170: 250V, 1.5A, 5 x 20 mm

Change the switch.
Contact the supplier or manufacturer.
Change the block (contact the supplier or manufacturer to
make sure whether the block is suitable).
Place the unit on an even, stable surface.
Change round feet.
Contact the supplier or manufacturer.
Contact the supplier or manufacturer.
Check the power cable to ensure reliable grounding,
remember to turn off the power when changing the block.
Contact the supplier or manufacturer.
Contact the supplier or manufacturer.
Contact the supplier or manufacturer.
Contact the supplier or manufacturer.
Change the fuse:
BYQ15412A000020: 125V, 2.5A, 5 x 20 mm

BYQ15411A500170: 250V, 1.5A, 5 x 20 mm
