Hoshizaki DIM-40DE-HC Service Manual page 53

PROBLEM
[2] (Continued) f) Air filter,
[3] Compressor a) Control circuit
runs, but other
components
will not start.
[4] Fan motor will a) Wiring
not run.
b) Actuator toggle
c) Thermistor,
[5] Water a) Water solenoid
continues to
b) Controller board
be supplied in
freeze cycle.
[6] Water does not a) Water supply line 1. Water pressure too low
circulate.
b) Water solenoid
c) Water system
d) Pump motor
e) Controller board
f) Discharge tube
[7] All components a) Refrigerant
run, but no ice
is produced.
b) Compressor
c) Hot gas solenoid
[8] Water pan will a) Wiring
not open.
b) Actuator motor,
c) Thermistor,
[9] Water pan will a) See [8] above.
b) Hot gas valve
not close.
CHECK
1. Clogged.
condenser
1. Loose connection or
1. Loose connection or
1. Defective.
switch
1. See "II. CONTROLLER BOARD".
controller board
1. Diaphragm does not
valve
1. Defective.
1. Dirty mesh filter or orifice
valve
1. Water leaks.
2. Clogged.
1. Motor winding opened.
2. Bearing worn out.
3. Wiring to pump motor.
4. Defective or bound
1. Defective.
1. Clogged.
2. Out of position.
1. Undercharged.
2. Air or moisture trapped.
1. Defective valve.
1. Continues to open in
valve
1. Loose connection or
1. Defective.
run capacitor
1. See "II. CONTROLLER BOARD".
controller board
1. Defective.
POSSIBLE CAUSE
broken wire.
broken wire.
close.
and water level in water
tank too low.
and water level in water
tank too low.
impeller.
freeze cycle.
broken wire.
49
REMEDY
1. Clean.
1. Repair or replace.
1. Repair or replace.
1. Replace.
1. Check for water leaks with
ice dispenser OFF.
1. See "II. CONTROLLER
BOARD".
1. Check for recommended
pressure.
1. Clean.
1. Check connections for
water leaks, and repair.
2. Clean.
1. Replace.
2. Replace.
3. Check for loose connection
or open and replace.
4. Replace and clean.
1. See "II. CONTROLLER
BOARD".
1. Clean.
2. Place in position.
1. Check for leaks and
recharge.
2. Replace drier, and
recharge.
1. Replace compressor.
1. Check and replace.
1. Repair or replace.
1. Replace.
1. Replace.