Troubleshooting Checklist for Domestic Refrigerators and Freezers (Continued)
9. Unit operates on thermostat;
temperature too high (Continued)
Pressures not equalized
What to look for and what to do
Check the air circulation around the condenser; also check the
operation of the fan.
Wait 5 minutes after stopping, then restart; turn to the coldest
position, then to the normal position
10. Noisy operation
Restrictions in liquid line
See item 7.
Thermostat may be out of calibration. Replace the thermostat.
If the blades are bent, realign them, and remove any obstructions. If
the blades are so badly bent or warped that they cannot be realigned,
they should be replaced.
Check the motor mounting and tighten the connections.
Adjust the tubes so that they do not rub together.
Adjust them to fit tightly.
Malfunctioning valves; loose bolted connections; improper
alignment of open-type compressor. Replace the hermetic
compressor tighten the connections; realign the open-type
Floor or walls
Check to see that the floor is rigid, and whether the walls vibrate.
Locate and correct any such sources of noise. Make corrections by
bolting or nailing loose portions to structural members.
Check the condition of the motor belt. Replace it when it becomes
worn or frayed.
11. Unit uses too much electricity
Check the door seal. See item 7.
Instruct the user on proper usage of the motor. See item 8. Check the
Ambient temperature too high
See item 7. The unit will operate more frequently and over longer
periods of time in a high-temperature atmosphere. Correct, if
possible, by changing the location of the unit.
Check the defrost circuit according to the manufacturer's
Selector control dial set too low. Advise the user. Operate it as near to
the "Normal" setting as possible.
12. Stained ice trays
Poor cleaning procedures
Use soap and warm water to wash trays. Rinse them thoroughly. Do
not use metal sponges, steel wool, or course cleaning powders.