Part Number 80-1230-9 10/10 135
Diagnosing an Ice Machine That Will Not
Run
QF0400/QC0700/QF0800/QF2200/QF2300
Diagnosing An Ice Machine That Will Not Run
QF2200/QF2300 - If the gearmotor is energized but no
ice is produced, refer to “Diagnosing a Condensing
Unit That Will Not Run”.
1. Verify primary voltage is supplied to ice machine
and the fuse/circuit breaker is closed.
2. Verify control board fuse is okay. If any control
board lights functions, the fuse is okay.
3. Verify the bin level control is connected to the
control board and the bin level light is off.
4. Verify ICE/OFF/CLEAN toggle switch functions
properly. Place the toggles switch in the ICE and
CLEAN positions and check for energized
components.
5. Verify low DC voltage is properly grounded. Loose
DC wire connections may intermittently stop the
ice machine.
6. Verify water is contacting the water level probes.
The compressor (QF2300 liquid line solenoid
valve) will not energize until water contacts the
water level probes.
Be sure Steps 1-5 were followed thoroughly.
Intermittent problems are not usually related to the
control board.
High (line) voltage is applied to the control board
(terminals #21 and #23) at all times. Removing
control board fuse or moving the toggle switch to
OFF will not remove the power supplied to the
control board.
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