30
TROUBLE
CAUSE
REMEDY
Excessively slow or low beater
counts.
(continued from previous page)
Beater motor capacitor.
Check motor capacitor and replace
if necessary.
Beater motor problem.
Replace beater motor.
Excessively rapid or high beater
counts.
Low brix.
Defrost barrel and check brix.
Adjust if necessary.
Insufficient defrost.
Defrost barrel and check return
temperature at the end of defrost.
Ammonia smell in electrical box.
Start capacitor has failed.
Verify blown capacitor. Replace
start capacitor and check start
relay. Replace relay if necessary.
Fan motor not running.
Dispenser in "Defrost" cycle.
Check fan after completion of
defrost cycle.
Board failure.
Replace board.
Contactor not engaging.
Check 24VAC at coil and 115VAC
at contactor T1 and T2 (refer to
electrical diagram,
Section 12.3,
for contactor terminal locations).
For 230VAC dispensers, the volt-
age between T1 and T2 should
be 230VAC. Replace contactor if
necessary.
Bad fan motor.
Replace fan.
LCD readout garbled or blank.
Board problem.
Replace board.
One or more keypad buttons will
not function.
Cable connecting main control
(upper) board to keypad not con-
nected properly.
Check for loose or incorrect con-
nections.
Faulty control cable.
Replace keypad.
Clock shows incorrect time/date.
Initial setting incorrect.
Change clock settings (see
Sections 10.5
and
10.6
).
Clock battery failure.
Replace clock battery on upper
board.
Faulty tank pressure reading on
LCD.
Pressure transducer failure.
Check transducer and replace if
necessary.
Possible short in wiring from
transducer to PC board.
Clean and dry both ends of cable
and check for loose connections.
Poor contact within connector.
Reposition or replace transducer.
