Part Number 80-01111-9 7/10 99
Troubleshooting
QM45/Q130/Q170/Q210/Q270
DIAGNOSING AN ICE MACHINE
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.
3. If the bin switch light functions, the fuse is okay.
4. Verify the bin switch functions properly. A
defective bin switch can falsely indicate a full bin
of ice.
5. Verify ON/OFF/WASH toggle switch functions
properly. A defective toggle switch may keep the
ice machine in the OFF mode.
6. Verify low DC voltage is properly grounded. Loose
DC wire connections may intermittently stop the
ice machine.
7. Replace the control board.
8. 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 # 2 a nd # 4) at a ll times. Re moving
control board fuse o r moving the tog gle switch to
OFF wi ll not remove the po wer supp lied to the
control board.
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