GE Monogram ZDIS150WSS Technical Service Manual page 39

Problem
Too much ice in bin
Noisy
Ice freezing together in the
bin
-
Cloudy, poor tasting ice
Off LED flashing 2 blinks
Off LED flashing 3 blinks
Probable Cause
Defective bin thermistor
Banging sound
Grinding, cavitating sound
Grinding, cavitating sound
from recirculation pump
Noisy drain pump
Normal
Poor water quality
Open or disconnected bin
thermistor or thermistor wiring
Defective, loose, or mis-
positioned evaporator
thermistor
– 39 –
Test Procedure - Action
Replace
The slab dropping off the plate
and ice dropping from the cutter
grid into an empty bin are normal
sounds
The reservoir is empty. Look for a
partially released slab,
interference with cutter grid, etc.,
and clean the evaporator plate.
See procedure on 4-21
If the reservoir is full, replace the
pump
Repair or replace
This is normal with low customer
usage
See chart on 4-2 & 4-3
Test thermistor and wiring harness
or reconnect
Test thermistor and wiring harness
or reconnect