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GEMD270A
SERVICE DIAGNOSIS
SYMPTOM
Wet ice
Machine runs but makes no ice
Water leaks
Excessive noise or chattering
Gear motor noise
Shortage of water
POSSIBLE CAUSE
Ambient temperature too high
High water level in the freezer
Faulty compressor
Water not entering in the freezer
Gear stripped
Moisture in the system
Water seal leaking
Water feed line to freezer leaking
Float valve not closing
Mineral or scale deposit on auger
Low suction pressure
Water feed line to freezer clogged
Low water level into freezer
Worn rotor bearings
Shortage or poor lubricant in gear case
Gear case bearings and gear racers
worn out
Strainer at water inlet fitting clogged
Float reservoir water nozzle clogged-up
nozzle
Page 20
SUGGESTED CORRECTION
Move unit to cooler location
Lower to approx. 20mm below ice spout
Replace
Air lock in feed line to freezer.
Clogged feed line to freezer. Clean it
Check and repair
Purge, replace drier and re-charge
Replace water seal
Check and fasten hose clamp
Check and adjust float valve setting
screw
Remove and manually polish auger and
inner freezer walls and inner walls of
freezer barrel using emery paper
Add refrigerant to increase suction
pressure
Vent and clean it
Adjust to approx. 20 mm below ice spout
Check and replace
Check for proper lubricant level by
opening gear case.
Top of gears must be covered with
lubricant
Check and replace worn parts
Remove strainer and clean
Remove float valve and clean
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