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TROUBLE
CAUSE
REMEDY
6.5 Refrigeration compressor does not
turn on, or stops running
A. Faulty overload, or relay inside
compressor
B. Wires loose on terminal blocks or main
relay, or ground post
C. Temperature controller faulty
D. Temperature controller probe sensor
faulty
E. Faulty main relay
F. Inadequate voltage
A. Replace overload and relay inside
compressor.
B. Ensure the wires are secure.
C. Check program settings on controller.
Replace controller if necessary.
D. If the Controller sensor is faulty,
display will read ‘E1’. Ensure the wires
are secure or replace probe.
E. Replace main relay.
F. Measure voltage across common and
run terminal on compressor. Voltage
must not drop below 90% of rated
voltage.
6.6 Condenser fan does not turn on, or
stops running
A. Wires to compressor and relay may be
loose
B. Faulty fan
C. Faulty main relay
A. Ensure the wires are secure.
B. Replace condenser fan.
C. Replace main relay.
6.7 Excessive ice build up around
evaporator area
A. 115V machine has a defrost function
which may need adjustment
B. 230V machine does not have a
defrost function
A. Defrost can be modified to adjust the
time between defrost cycles, and/or the
time duration of the defrost. Refer to
Section 7.
B. Unplug machine, remove kegs, leave
door open and allow ice to thaw from the
evaporator coils. Door can be closed and
machine plugged in.
6.8 Refrigeration compressor does not
stop
A. Possible low charge
B. Refrigeration leak
C. Temperature probe may be
obstructed or out of place
A. Repair and recharge.
B. Repair and recharge.
C. Clear the air way path to probe.
Reposition if probe is out of place.
6.9 Compressor cycles on and off
frequently during the initial pulldown
and/or normal operations
A. Temperature controller malfunctioning
B. Defective probe
C. Air flow blocked
A. Replace temperature controller.
B. If the probe sensor is faulty, display will
read ‘E1’. Ensure the wires are secure or
replace probe.
C. Check to ensure proper air
clearance around machine. Check air
filter for debris.
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