37X INSTALLATION & OPERATION MANUAL
372/373 MODEL
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11. TROUBLESHOOTING
11.1 Home Menu Messages
NF*
The dispenser will always display a message on the home screen with the status of the dispenser. These may be normal
operation messages, out of product messages or error messages.
Table continued on next page.
Message Meaning Action
BOARD FAILURE
Internal communications on board
not functioning.
Replace control board.
CO2 OUT CO supply depleted.
Restore CO supply. Dispenser will
automatically restart.
COMPRESSOR RAN TOO
LONG
The compressor ran continuously
for 90 minutes.
Verify air lter is clean and that
return temperature drops below
25°F (-3.9°C).
DEFROST PAUSED
Defrost cycle was paused because
another barrel required freezing.
No action required.
DEFROST REQUIRED
Motor baseline value is at factory
default. Only occurs on new
software installation.
Run defrost cycle.
DEFROSTING Barrel is defrosting. Wait for defrost cycle to complete.
FILL ERROR
A barrel is not lling with product
correctly.
Run ll circuit diagnostic sequence.
FREEZING
Dispenser is in READY mode and
product is being frozen.
No action required.
HIGH BARREL PRESSURE
The barrel pressure exceeds 55 PSIG
(379 kPag).
Dispense a drink to reduce barrel
pressure.
HIGH REGULATED CO2
PRESSURE
Regulated CO above 70 PSIG (483
kPag).
Adjust regulator to 60 PSIG (414
kPag).
HOT PRODUCT DETECTED
Refrigeration return temperature
above 110°F (43.3°C) for 50 seconds.
Check temperature sensor.
LOW REGULATED CO2
PRESSURE
Regulated CO below 50 PSIG (345
kPag).
Adjust regulator to 60 PSIG (414
kPag). Read the pressure on the
LCD screen.
MOTOR FAILURE A beater motor is stalled.
Run the beater circuit diagnostic
sequence.
* Refer to Appendices for additional information on Nitrofub configuration.
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