Table 4-2. Ice Maker Troubleshooting - Continued
TEST OR INSPECTION
29. ICE MAKER MECHANISM IS NOT DEFROSTING AUTOMATICALLY.
Defective temperature control.
Adjust or replace temperature control (para. 4-5e.).
Check for timing cam malfunction.
Adjust timing cam (See 18 above).
30. ICE AND FROST BUILDUP ON SECONDARY EVAPORATOR AROUND THE
Ice maker has not been defrosted. The secondary evaporator will not
Defrost ice maker.
31. ICE MAKER FAILS TO REFRIGERATE.
Check if freon is leaking from compressor.
Inspect compressor for leak. Refer to refrigerator maintenance
32. HIGH PITCH OR RINGING NOISE IN UNIT COMPARTMENT.
Check if fan blade is at the wrong pitch.
Disconnect electrical power to ice maker. Bend each fan blade
one-quarter to one-half inch to the rear, this will cause the
blades to cut the air at a different angle eliminating the
Check if copper refrigeration tube is touching the cabinet,
causing noise as unit vibrates.
Adjust copper refrigeration tube away from cabinet.