Service Guide
11
20-min.
minimum
defrost
II. Sequence of Operation and Service Diagnosis
A. Sequence of Operation Flow Charts
1a. Refrigerator Auxiliary Code F-6 and Earlier
3. Cool Down Restart
Refrigerator Auxiliary Code F-6 and Earlier Sequence Flow Chart
Legend:
Comp-compressor
ConFM-condenser fan motor
CTh-cabinet thermistor
DTh-defrost thermistor
EvapFM-evaporator fan motor
1. Startup/Cool Down
2. Cool Down Achieved
Comp energized
ConFM energized
EvapFM energized
CTh in control
Slight
Delay at
Startup
CTh cools
to 3°F (1.7°C)
below setpoint.
Factory default
36°F (2°C)
CTh warms
to 3°F (1.7°C)
above
setpoint
4. Defrost
2-hr defrost timer
terminates
EvapFM energized
Comp de-energized
ConFM de-energized
5. Defrost Termination
DTh warms to
40°F (4.4°C) or
1-hr maximum
defrost timer
terminates
Note:
a) EvapFM de-energizes when door is opened on -FS models and
when upper door is opened on -HS models.
b) 2-min. minimum Comp on timer starts when Comp energizes.
c) 2-min. minimum Comp off timer starts when Comp de-energizes.
d) 20-min. minimum defrost time.
e) 1-hr. maximum defrost time.
f) Temperature displayed during defrost.
DTh in control
Power On
EvapFM energized
Comp de-energized
ConFM de-energized
2-min. Comp off
timer starts
EvapFM energized
2-min. Comp on
timer starts
Comp energized
ConFM energized
EvapFM energized
Cycle Steps