4.
TROUBLESHOOTING
TROUBLE
CAUSE
REMEDY
4.1
Miscellaneous leakage.
A. Gap between parts.
A. Tighten appropriately.
B. Damaged or improperly
B. Replace or adjust appropriate
installed o-rings.
o-rings.
4.2
Insufficient flow.
A. Insufficient incoming supply
A. Verify incoming supply pressure
pressure.
is correct.
4.3
Excessive foaming.
A. Incoming product
A. Correct prior to dispenser.
temperature too high.
Consider larger dispenser or
pre-cooler.
B. Flow rate too high.
B. Readjust.
C. Air in lines.
C. Bleed air from lines.
D. Poor quality ice.
D. Check quality of ice used in drink.
E. High beverage temperature.
E. Check refrigeration system.
4.4
Compressor does not
A. Compressor relay or overload
A. Replace compressor relay or
start (no hum), but
malfunctioning.
overload.
condenser fan motor
B. Inadequate voltage.
B. Measure voltage across common
runs.
and run terminal on compressor.
Voltage must not drop below 90%
of rated voltage.
C. Incorrect wiring.
C. Refer to wiring diagram and correct.
D. Compressor malfunctioning.
D. Replace compressor.
4.5
Compressor starts and
A. Ice bank control failure.
A. Replace ice bank control.
continues to run until
B. Incorrect wiring.
B. Refer to wiring diagram and correct.
freeze up and will not
cut off.
4.6
Compressor does not
A. Inadequate voltage.
A. Measure voltage across common
start but hums.
and run terminal on compressor.
Voltage must not drop below 90%
of rated voltage.
B. Incorrect wiring.
B. Refer to wiring diagram and correct.
C. Starting relay malfunctioning.
C. Replace starting relay. Be sure to
use correct relay. Failure to use
correct relay will cause compressor
failure.
D. Compressor malfunctioning.
D. Replace compressor.
4.7
Compressor starts but
A. Inadequate voltage.
A. Measure voltage across common
does not switch off start
and run terminal on compressor.
winding (will run for only B. Incorrect wiring.
B. Refer to wiring diagram and correct.
a few seconds before
C. Starting relay malfunctioning.
C. Replace starting relay. Be sure to
internal overload
use correct relay. Failure to use
switches compressor
correct relay will cause compressor
off).
failure.
4.8
Compressor starts and
A. Dirty condenser.
A. Clean the condenser.
runs a short time but
B. Insufficient or blocked air flow.
B. Remove all obstructions and allow
shuts off on overload.
for minimum clearance of
15 inches (38.1 cm) over top.
C. Inadequate voltage.
C. Measure voltage across common
and run terminal on compressor.
Voltage must not drop below 90%
of rated voltage.
D. Incorrect wiring.
D. Refer to wiring diagram and correct.
E. Defective condenser fan motor. E. Replace condenser fan motor.
F.
Refrigerant leak.
F.
Repair and recharge.
G. Compressor malfunctioning.
G. Replace compressor.
(continued next page)
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