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3. Control Module
Control Module LED Operation:
The control module has 3 LEDs that illuminate based on the status of the thermistors.
Red (R), Yellow (Y), and Green (G).
a) Cabinet Thermistor Above Setpoint Temperature - Power ON: All 3 LEDs turn on for
2sec. then turn off. Next, yellow (Y) LED turns on for 10 sec.
b) Cabinet Thermistor Above Setpoint Temperature - Compressor energizes: Yellow (Y)
LED turns off, green (G) LED turns on (normal cooling cycle).
c) Cabinet Thermistor at or Below Setpoint Temperature - Compressor de-energizes:
Green (G) LED ashing (normal off cycle).
d) 2-min. Compressor ON/OFF Startup Delay - Yellow (Y) LED ashing.
e) Defrost Intitiated or Defrost Thermistor Failure: Red (R) and Green (G) LEDs turn on.
f) Control Dial placed in the "OFF" position: Red (R), Yellow (Y), and Green (G) cycling.
g) Cabinet Thermistor Fault: Yellow (Y) and Green (G) LED ashing. Note: On cabinet
thermistor fault, appliance cycles 5-min. on, 5-min. off until cabinet thermistor
replaced.
CONTROL MODULE LED OPERATION
LEDs LED OPERATION
R Y G
OFF ON OFF 10-SEC. DELAY
OFF OFF ON SYSTEM ON
OFF OFF
CTh SATISFIED; SYSTEM OFF
OFF
OFF
2-MIN. ON/OFF DELAY
ON OFF
ON DEFROST/DTh FAULT
SYSTEM OFF
OFF
CTh FAULT
LED OPERATION LEGEND
CYCLING (R-on/off, Y-on/off, G-on/off repeat)
FLASHING
CTh CABINET THERMISTOR
DTh DEFROST THERMISTOR
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