Troubleshooting - Thermo Fisher Scientific TSG Série Manuel D'installation Et Fonctionnement

Troubleshooting

WARNING: Troubleshooting procedures involve
working with high voltages which can cause
injury or death. Troubleshooting should only be
performed by Factory Authorized Service
Personnel.
This section is a guide for troubleshooting equipment problems. Component parts must be replaced only with like components.
Table 7. Troubleshooting Procedure
Problem
Unit does not operate or
power failure indicator is
on
Unit runs continuously
Space temperature too
high
Temperature fluctuates/
insufficient cooling
The equipment makes too
much noise
Refrigerator freezing
Unit warms up
Unit noisy
General Purpose and Chromatography Refrigerators
Cause
Power supply
Unit overloaded
Dirty condenser
Control setting too high
Inadequate air circulation
Temperature control
Condenser clogged
Other causes
The equipment is not level
Temperature control
Door is open
Door seal check
Warm product recently loaded in
unit
Power supply
Compressor not functioning
Loose parts or mountings
Solution
Check that the cord is securely plugged in. Plug
another appliance into the outlet to see if it is
live.
Test the voltage and verify that it is correct for
your unit Check if there is any frost build up on
refrigeration coils. Turn unit off and allow it to
defrost. Remove contents from top shelf of unit.
Clean condenser
Reset control
Improve air movement
Make sure that the control is set correctly.
Make sure the condenser is clean.
If the temperature control is set correctly, the
condenser is clean, but temperature continues
to fluctuate, call an authorized service
representative.
Place the equipment on an even surface or use
adjustable feet.
Reset control
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.
If the compressor is not running and the power
audible 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
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