Checklist - Manitowoc SM Serie Manuel D'installation, D'utilisation Et D'entretien

Checklist

If a problem arises during operation of your ice machine, follow the checklist below before calling for service. Routine
adjustments and maintenance procedures are not covered by the warranty.
Problem
Ice machine will not run
Ice machine runs and no ice is produced
Freeze cycle is long - Low ice production
Ice quality is poor - cubes are shallow,
incomplete or white
22
Section 5
Customer Support
Possible Cause
No electrical power to the ice machine
Power switch has not been depressed
Bin thermostat incorrectly adjusted
Drain pump safety switch is open
No water to ice machine
Incorrect incoming water pressure
Spray nozzles blocked with mineral
buildup
Ambient temperature is too high or low
Water temperature is too high
Dirty condenser
High air temperature entering condenser
Water inlet valve filter screen is dirty
Water inlet valve stuck open or leaking
Water inlet valve is not working
Refrigeration problem
Ice machine is dirty
Water filtration is poor
Water softener is working improperly (if
applicable)
Poor incoming water quality
Water inlet valve filter screen is dirty
To Correct
Replace the fuse/reset the breaker/turn
on the main switch or plug in ice
machine.
Refer to section 3 and energize the ice
machine
Adjust bin thermostat, refer to section 3
Verify line is not kinked or crimped then
call for service
Correct water supply
Water pressure must be 20-80 psi 
(138 - 552 kPA)
Clean and sanitize the ice machine, refer
to section 4
Ambient temperature must be between
50° F and 110°F (10°C and 43 °C)
Connect to a cold water supply, verify
check valves in faucets and other
equipment are functioning correctly
Clean condenser see section 4
Air temperature must not exceed 110°F
(43°C)
Remove the water inlet valve and clean
the filter screen (See Section 4)
Turn off ice machine, if water continues to
enter ice machine the water inlet valve
must be replaced - call for service
Water inlet valve must be replaced, call
for service
Call for service
Clean and sanitize the ice machine, see
section 4
Replace the filter
Repair the water softener
Contact a qualified service company to
test the quality of the incoming water and
make appropriate filter recommendations
Remove the water inlet valve and clean
the filter screen (See Section 4)
Part Number 040001361 05/10