10
Installation and Operation
Blood Bank Refrigerators
12 Troubleshooting
WARNING!
Troubleshooting procedures involve working with high voltages which can cause injury or death.
Troubleshooting should only be performed by trained personnel.
This section is a guide to troubleshooting equipment problems.
Table 6.
Troubleshooting Procedures
Problem
Cause
Solution
Unit does not operate
or Power Failure
Indicator is on.
Power supply
1. Check that the cord is securely plugged in.
2. Plug another appliance into the outlet to see if it is live.
3. Test the voltage and verify that it is correct for your unit (refer to Table 1 on page 1).
4. If the outlet is dead, check the circuit breaker or fuses.
Temperature
fluctuates.
Cold control
Make sure that the cold control is set correctly. Refer to Section 8 on page 6.
Condenser
Make sure the condenser is clean. Refer to Section 11.2 on page 9.
Other causes
If the cold control is set correctly, the condenser is clean, but temperature continues to fluctuate, call
an authorized Revco service representative.
Unit warms up.
Door is open
Make sure the door is completely closed.
Door seal
Check the door seal, following instructions in Section 4.5 on page 3.
Warm product recently
loaded in unit
Allow ample time to recover from loading warm product.
Power supply
Check for proper voltage to the unit. If there is no voltage to the unit, call an electrician.
Compressor
1. If the compressor is not running and the power failure alarm light is on, have an electrician
check for proper voltage to the unit.
2. If the compressor is not running and the power failure alarm light is off, call the technical
support hot line.
3. If the compressor is running, open the door and look through the slotted air intake in the bottom
of the evaporator cover to see if icing is present on the evaporator. If icing is present and there
is no air flow behind evaporator, call technical service for assistance. The evaporator fans may
be inoperative.
4. If the compressor is running and there is airflow behind the evaporator, contact an authorized
service provider or call the technical support hot line for assistance.
