Qm20_section_5_uc, Checklist – Manitowoc Ice QM20 User Manual
Page 25
Section 5
Before Calling for Service
5-1
Section 5
Before Calling for Service
Checklist
If a problem arises during operation of your ice machine, follow the checklist below before calling for service.
Problem Possible
Cause To
Correct
Ice machine does not
operate.
No electrical power to the ice
machine.
Replace the fuse/reset the
breaker/turn on the main switch.
Toggle switch set improperly.
Move the toggle switch to the ON
position.
Low air temperature around ice
machine.
Air temperature must be at least
10°C (50°F).
Ice machine does not release
ice or is slow to harvest.
Ice machine is dirty.
Clean and sanitize the ice machine.
See pages 4-3 and 4-4.
Ice machine is not level.
Level the ice machine.
See page 2-2.
Low air temperature around ice
machine (air-cooled models).
Air temperature must be at least
10°C (50°F).
Ice quality is poor (soft or not
clear).
Poor incoming water quality.
Contact a qualified service
company to test the quality of the
incoming water and make
appropriate filter recommendations.
Water filtration is poor.
Replace the filter.
Ice machine is dirty.
Clean and sanitize the ice machine.
See pages 4-3 and 4-4.
Water inlet valve filter screen is dirty.
Remove the water inlet valve and
clean the filter screen. See page 4-
6.
Water softener is working improperly
(if applicable).
Repair the water softener.
Continued on next page...