Service Manual

29
No Ice Production - Possible Cause
Rell
1. Water Supply a) Off.
2. Control Board a) No power to oat switch (5VDC) or not reading oat switch
condition.
b) No power to inlet water valve (24VAC).
3. Float Switch a) Float does not move freely.
b) Defective.
4. Inlet Water Valve a) Clogged or defective.
Shutdown
1. Bin Control a) Large balance plate sticking.
b) Micro-switch defective.
2. Control Board a) S1 dip switch settings not set correctly.
b) Defective.
2. Ice/Water Dispensing
Ice Dispense-Push Button
1. Power Supply a) Off, blown fuse, or tripped breaker.
2. Control Board 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).
3. Ice Dispense Switch a) Defective.
4. Ice Dispense Solenoid a) Defective or loose connection.
5. Ice Dispense Relay a) Defective.
6. Gear Motor a) Defective.
7. Shutter Assembly a) Defective.
Ice Dispense-Opti-Serve
1. Power Supply a) Off, blown fuse, or tripped breaker.
2. Control Board 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).
3. OS Sensor (infrared) a) Defective.
4. Ice Dispense Solenoid a) Defective or loose connection.
5. Ice Dispense Relay a) Defective.
6. Gear Motor a) Defective.
7. Shutter Assembly a) Defective.