Manitowoc Welbilt Indigo NXT QuietQube Manual page 147

Indigo NXT Ice Machine Troubleshooting Tips
Ice Thickness Probe Diagnostics
Premature Harvest or Freeze Up
If the initial numbers displayed do not change
or initial numbers did not increase by 3000
during scratch test:
• Verify the ice thickness probe connector is
properly plugged into the board ( J11 ) and
the ice thickness probe wiring is correct . If
the wiring is incorrect, replace the ITP.
10. Unplug the ITP and set a VOM to DC voltage
scale – Measure voltage across Pin 1(+) Red
NOTE: Please verify the ice thickness probe is plugged into the
Wire and Pin 2(-) Black Wire:
proper position. We found that in some cases it can be plugged in
wrong, even though the plug is supposed to be a One Position plug.
J11 Connector on Control Board
Pin 1 (+)
Pin 2 (-)
Pin 3
Red
Black
Twisted Wire
147
© Welbilt, Inc.