Hoshizaki IM-21 Service Manual page 35

INTERLOCK
PATTERN
INDICATOR
2
3
4
WATER TANK
POSITION
(1)
(2)
Freeze Cycle
(3)
(4)
(5)
(6)
(1)
Defrost Cycle
(2)
(3)
(1)
Lever
OR
(2)
(3)
(4)
Actuator
Motor
(5)
31
POSSIBLE CAUSE
Clogged Air Filter and/or
Condenser
Water leak from Water
0V
Solenoid Valve
Leak
Gas leak from Hot Gas
Solenoid Valve
0V
Hot
Gas Leak
Fan Motor stopped
Gas leak
Gas
Compressor stopped
Hot Gas Solenoid Valve
closed and will not open
100V
Gas leak
Gas
Compressor stopped
Actuator Toggle Switch
Lever bent
Cam Arm (A) broken
Cam Arm
Defective Actuator
Motor
Cam Pin damaged
Pin
Defective Cube Control
Thermistor
REMEDY
Clean or replace
Replace
Replace
Replace
Check for leak
Replace Comp.
Starting Capacitor
Replace
Check for leak
Replace Comp.
Starting Capacitor
Replace Actuator
Toggle Switch
Replace
Replace
Replace Cam Pin
and Cam Arm (A)
Replace