Auxiliary Codes A-2 And Later - Hoshizaki C-100BAF Service Manual

2. Auxiliary Codes A-2 and Later

No Ice Production - Possible Cause
1. Power Supply
2. Power Switch
3. Bin Control Thermostat Assembly
(with integrated heater)
4. Optional Drain Pump HS-0248
Safety
1. Water Supply
2. Water Control Relay
3. Inlet Water Valve
4. Float Switch
See "IV.D. Float Switch Check
and Cleaning"
1. Water Control Relay
2. Time Delay Relay
3. Gear Motor
4. Fan Motor
5. Compressor Relay
6. Compressor
7. Evaporator
8. Condenser
Startup
a) Unplugged, off, blown fuse, or tripped breaker.
b) Not within specifications.
a) "OFF" position.
b) Bad contacts.
a) Open with bin filled with ice.
b) Ambient temperature too cool.
c) Out of position.
d) Out of adjustment. See "IV.C. Bin Control Check."
e) Bad contacts.
f) Bad thermostat heater.
a) Drain pump's upper float switch closed.
Fill Cycle and Refill Cycle
a) Water supply off or improper water pressure.
b) External water filters clogged.
a) Energized and not allowing water valve to energize.
b) Defective.
a) Screen or orifice clogged.
b) Coil winding open.
a) Float does not move freely.
b) Defective.
Freeze Cycle
a) Open.
a) Defective.
a) Gear motor external protector (2.4~3.0A) tripped.
b) Gear motor internal protector open or windings open.
c) Bad gear motor capacitor.
d) Locked bearings.
e) Spline coupling or gear broken and auger not turning.
a) Motor winding open.
b) Bearing worn out or locked rotor.
c) Fan blade does not move freely.
a) Open coil.
b) Open contacts.
a) Compressor external protector open or defective.
b) Motor winding open.
c) PTC relay contacts bad or coil winding open.
d) Inefficient.
a) Dirty.
b) Damaged or defective.
a) Dirty.
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