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This Troubleshooting Chart is not prepared to replace the training required for a
professional refrigeration service person, not is it comprehensive
Complaint
a. Power cord not plugged
1. Unit not
b. No power from supply
running
c. Incorrect or loose wirings
d. Low voltage
e. Setting
f.
g. Defrost light blinking
h. Compressor light blinking
i.
a. Anti-short cycle
2. Unit not
starting , but
temperature
rising high
3. Temperature
a. Air probe
fluctuating
a. Temperature setting high
4. Temperature
high, unit
stopping
and starting
normally
5. Temperature
a. Air
high, unit
stopping
b. Short circuit of air flow between
and starting
with short
running time
c. Failed controller and probe
a. Improper cellar insulation & seal
6. Temperature
Troubleshooting
Possible Causes
higher
than
temperature
Cut-in too high
Defective controller
probe
touching
evaporator
coil,
displaying
temperature ok
cold-air supply and cellar-air
return, displaying temperature
ok
- 25 -
Response
a. Check power cord
b. Check receptacle and fuses
c. Check all wirings and connections
d. Contact an authorized electrician
ambient
e. Lower temperature setting
f.
Reduce Hy
g. Unit is under defrost mode
h. Unit is under anti-short cycle delay
i.
Call service for diagnosis
a. Reset AC
a. When using an air probe, the wine
bottle
temperature
controlled
temperature. If the set-point is 55
with the differential 4F, the cooling
unit
turns
temperature (It may be higher than
°
59
F if it is in anti-short cycle or
defrost cycle) and turns off at 55
of air temperature. The average air
temperature is 57
wine temperature is around 57+/-
°
0.5
F. The air is light enough to
change so quickly that it maintains
relatively
temperature that would prevent wine
bottle temperature from fluctuating.
a. Lower the setting
the
a. Move the air probe away from the
evaporator
b. Deflect the supply air down
c. Call service for diagnosis
a. Check insulation, gasket and door
is
mainly
by
the
average
air
°
F
°
on
at
59
F
of
air
°
F
°
F, and then the
constant
average
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