Fisher Scientific Isotemp FBG Serie Manuel D'utilisation page 34

Table 16. Troubleshooting Procedure
Problem Cause
Door is open
Door seal check
Warm product recently
loaded in unit
Power supply
Unit warms up
Setpoint is off
Compressor not
functioning
Unit noisy Loose parts or
mountings
Condensation Gaps exist in unit port
around door frame holes
Door seal is broken
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Solution
Make sure the door is completely closed.
Check the door seal.
Allow ample time to recover from loading warm product.
Check for proper voltage to the unit. If there is no voltage to the unit,
call an electrician.
Adjust setpoint, refer to previous temp adjustment section in operation
section.
If the compressor is not running and the power failure alarm is on,
have an electrician check for proper voltage to the unit.
If the compressor is not running and the power failure alarm is off, call
the customer service for assistance.
Find and tighten.
Ensure all port holes in the cabinet top, sides, and back are sealed
properly to prevent warm airflow into the cabinet. Seal any gaps.
Verify nothing is placed through the door seal such as a sensor.
Check the door seal following instructions in Section 12.5.