Manitowoc QuietQube Indigo Series Technician's Handbook page 169

Step 6 When all ohm tests are normal, replace the
control board. When any measurement fails,
disconnect the wiring harness from the water level
probe and ohm the water level probe with the wiring
harness removed from the circuit. Results will
determine whether the wiring harness or probe will
need replacement.
Empty Terminal
Short Probe
Ohm Water Level Probe
Part Number STH026 8/12 169