Hoshizaki DCM-270BAH Service Manual page 28

2. Ice/Water Dispensing
1. Power Supply
2. Control Board
3. Ice Dispense Switch
4. Ice Dispense Solenoid
5. Ice Dispense Relay
6. Gear Motor
7. Shutter Assembly
1. Power Supply
2. Control Board
3. OS Sensor (infrared)
4. Ice Dispense Solenoid
5. Ice Dispense Relay
6. Gear Motor
7. Shutter Assembly
1. Power Supply
2. Control Board
3. Water Dispense Switch
4. Water Dispense Valve
1. Power Supply
2. Control Board
3. OS Sensor (infrared)
4. Water Dispense Valve
Ice Dispense-Push Button
a) Off, blown fuse, or tripped breaker.
a) No power from control board to ice dispense switch (5VDC) or
not reading signal.
b) No power to ice dispense solenoid or dispense relay (115VAC).
a) Defective.
a) Defective or loose connection.
a) Defective.
a) Defective.
a) Defective.
Ice Dispense-Opti-Serve
a) Off, blown fuse, or tripped breaker.
a) No power from control board to OS sensor (5VDC) or not reading
signal.
b) No power to ice dispense solenoid or dispense relay (115VAC).
a) Defective.
a) Defective or loose connection.
a) Defective.
a) Defective.
a) Defective.
Water Dispense-Push Button
a) Off, blown fuse, or tripped breaker.
a) No power from control board to water dispense switch (5VDC) or
not reading signal.
b) No power to dispense water valve (24VAC).
a) Defective.
a) Water supply turned off.
b) Defective.
Water Dispense-Opti-Serve
a) Off, blown fuse, or tripped breaker.
a) No power from control board to OS sensor (5VDC) or not reading
signal.
b) No power to water dispense valve (24VAC).
a) Defective.
a) Water supply turned off.
b) Defective.
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