CU50
Service Manual
Service Diagnosis
Makes excessive noise
Problem | Likely Cause | Probable Solution | |
Fan blade vibrates | Blade is bent | Replace fan blade | |
Fan motor mount is broken | Replace motor mount | ||
| |||
Compressor vibrates | Mounting loose | Check mounting | |
Water pump vibrates | Pump bearings worn | Replace pump | |
Panels vibrate | Mounting screws loose | Tighten screws |
Makes ice, does not harvest
Problem
Likely Cause
Probable Solution
Ice wrong size | Environment changed | Adjust cube size | |
|
| Check voltage to coil when unit is | |
| Hot gas valve does not open | in harvest, check controller | |
Little heat to evaporator |
| indicator light. | |
Water temperature very low | Adjust harvest time | ||
| |||
| Fan motor does not stop | Check voltage, replace controller |
Makes poor quality ice
Problem
Likely Cause
Probable Solution
Spray pattern poor | Spray jets dirty | Clean jets |
Runs out of water | Water leaking from reservoir | Correct leak |
High TDS water supply | Groundwater supply | Treat water |
Makes ice, but melts rapidly
Problem
Likely Cause
Probable Solution
Restricted drain | Gravity drain hose has air block | Check for kinks or traps | |
Pooled water in bin | Pump model switch not starting | Check / replace switch | |
pump | |||
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March 2010
Page 25
