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FME2404 or NME1854
January 2012
Page 19
SER VICE DI AG NO SIS:
No ice is made, nothing operates Unit off due to no power Restore Power
Unit off due to master switch in OFF
position.
Switch master switch to ON.
Unit off due to low water level. Check water supply, filter, strainer,
float valve. Correct water supply.
Unit off due to ice level sensors
(photo-electric eyes) blocked.
Check/clean ice level sensors.
Unit off due to scale on water level
sensor.
Clean water level sensor.
Unit off due to high pressure control
open.
Check for water interruption (water
cooled) or fan motor failure (air
cooled).
Unit is shut down Circuit board has shut ice machine
down due to high auger motor amp
draw. Check for cause of high amp
draw, including bearings, gearmotor
condition and scale on auger and in
evaporator.
Unit makes ice, but very slowly. High discharge pressure because of a
dirty condenser
Clean the air filter and condenser.
Low capacity because auger &
evaporator are coated with mineral
scale
Clean the water system
Water Leak Drain plugged up Clean out drain
Tubing cracked Replace tubing
Condensation on drain tubing Insulate tubing
Hose off Reattach hose
Reservoir cover off Return cover to reservoir
Reservoir cracked Replace reservoir
Excessive water use Reservoir float valve leaks thru Replace float valve or seat
Excessive ice meltage Bin drain clogged Clean out bin drain.
Improper installation of drains, they
are connected.
Drains must be separate.
Poor fit between bin door and door
frame
Adjust or replace
Machine makes too much noise Evaporator coated internally with
minerals
Clean with Scotsman Ice Machine
Cleaner
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