SERVICE DIAGNOSIS: Water
SYMPTOM
POSSIBLE CAUSE
PROBABLE FIX
No ice is made
Inlet water valve will not open or is
dirty
Clean inlet screen, check coil,
replace valve if required
No water being pumped over
evaporators.
Check pump motor, replace pump if
motor will not run.
No water in reservoir, check inlet
water valve, check reservoir for leak.
Water inlet valve leaks thru at high
rate
Replace inlet water valve
Cubes are not uniform in shape
Water distributors are dirty
Clean water system
Long Freeze Cycle
Inlet water valve leaks through
Replace inlet water valve
See electrical/adjustment
See electrical/adjustment
Makes thick ice/freezes up
Water inlet valve restricted
Clean or replace valve
Low water pressure
Check water filter or supply
Sump covers out of position
Re-position sump covers
Cubes too large
Inlet water valve leaks through
Replace inlet water valve
See electrical/adjustment
See electrical/adjustment
Low Capacity
Incoming water very warm
Check water temperature to building
Lack of water
See unit runs out of water
Unit runs out of water
Reservoir leaks
Repair leak
Inlet water valve restricted
Clean or replace valve
Short harvest cycle
Adjust timer
Water pressure too low
Check supply
CMS1402R
September 1993
Page 21
