Download Manitowoc QF2300 Specifications

Before Calling Service
Section 5
Gear Motor Speed
Anytime the motor speed sensor detects the motor
speed (rpm) is below the minimum range for
3 continuous seconds, the ice machine will:
During the SafeGuard Mode the Motor Speed Sensor
light will continually flash to indicate a SafeGuard Mode.
The ice machine remains off until:
1. De-energize the compressor and/or gear motor.
•
The toggle switch is moved from OFF to ICE.
2. Continuously flash the Gear Motor Speed light.
•
Line voltage is interrupted and restored.
3. Initiate a 60-minute Standby Mode.
During the Standby Mode the Motor Speed Sensor light
will flash to indicate a Standby Mode.
After the 60-minute Standby Mode, the ice machine will
de-energize the Motor Speed light and initiate a start-up
sequence.
Gear motor speed normal:
The ice machine continues to make ice.
INDICATOR LIGHT
Before 48 hours have elapsed:
After a Standby Mode has been initiated the Gear Motor
Speed light will flash anytime the toggle switch is placed
in the OFF position.
After 48 hours have elapsed:
The SafeGuard will be automatically erased from
memory and the Gear Motor Speed light will not flash.
Gear motor speed below minimum range for
3 continuous seconds:
The ice machine will start another 60-minute Standby
Mode.
If the gear motor speed drops below the minimum range
for 3 continuous seconds during 7 consecutive cycles,
the ice machine will initiate a SafeGuard Mode.
Gear Motor Speed Checklist
Possible Problem List
Low water pressure
Defective motor speed sensor
Defective motor
Defective coupler
Defective evaporator/auger assembly
Low voltage
Ice frozen to auger/evaporator
5-4
Corrective Action List
Verify water pressure is between 20 and 80 psig.
Replace motor speed sensor.
Replace motor.
Replace coupler.
Replace evaporator assembly.
Verify voltage is within
± 10% of nameplate voltage.
Allow evaporator to thaw.
Part Number 000002688