Thermo Scientific TSG Series Installation Manual page 34

Table 16. Troubleshooting Procedure
Problem
Unit warms up
Unit noisy
Condensation around door
frame
Laboratory & Pharmacy Refrigerators
Cause
Door is open
Door seal check
Warm product recently loaded in
unit
Power supply
Setpoint is off
Compressor not functioning
Loose parts or mountings
Gaps exist in unit port holes
Door seal is broken
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.
Troubleshooting | 29