Service Manual

19
4. Defrost Termination
8) Check that all components restart after defrost termination.
a) UC/WT Refrigerator: CTh above setpoint. Cool cycle starts. Comp, ConFM, and
EvapFM energize.
b) Prep Table: DTh warms to 46°F (7.7°C). DH de-energizes. Conrm continuity of DTh.
Replace as needed. If DTh is good and DH continues after DTh achieves
46°F (7.7°C), replace CM.
c) UC/WT Freezer: DTh warms to 50°F (10°C). DH de-energizes. Conrm continuity of
DTh. Replace as needed. If DTh is good and DH continues after DTh achieves 50°F
(10°C), replace CM.
Legend: Comp–compressor; ConFM–condenser fan motor; CM–control module;
CTh–cabinet thermistor; DH–defrost heater; DTh–defrost thermistor;
EvapFM–evaporator fan motors, MH–mullion heater; PH–perimeter heater