SERVICE DIAGNOSIS
PROBLEM
POSSIBLE CAUSE
PROBABLE CORRECTION
No ice, nothing operates
No electrical power
Check/restore power
Water supply turned off
Check water filter/hand valve/float
valve
Bin control malfunction
Check bin thermostat
Spout switch open
Check bin thermostat
Master switch off
Check why switch is off
Water pressure low (water safety
switch open)
Check & clean water inlet & filters
High pressure cut out open
Check fan motor or water supply
Auger drive motor open
Check auger drive motor
Centrifugal switch open
Check centrifugal switch
Auger delay switch open
Check/replace auger delay
No ice, auger motor turning.
Auger does not turn
Check coupling & gear reducer
Low system charge
Check refrigeration system.
Locate leak, recover remaining
refrigerant, repair leak. Replace
drier, evacuate and weigh in
system charge.
Compressor off
Check system for adequate
refrigerant.
Check start relay
Check start capacitor
Check compressor windings
Check for compressor lock-up
Low capacity
Overuse
Recheck ice needs vs. machine
capacity
MFE400
May 1994
Page 15
