Safety Limit Feature - Manitowoc NEO UD0140A Installation, Operation And Maintenance Manual

Troubleshooting
Problem
Low ice capacity.

Safety Limit Feature

In addition to the standard safety controls, such as the high
pressure cutout, your Manitowoc ice machine features built-
in safety limits, which will stop the ice machine if conditions
arise which could cause a major component failure.
Before calling for service, re-start the ice machine using the
following procedure:
1. Press the On/Off button and turn off the ice machine,
then press the On/Off button again to start the ice
machine.
A. If the safety limit feature has stopped the ice
machine, it will restart after a short delay. Proceed
to step 2.
B. If the ice machine does not restart, see "Ice
machine does not operate" on the previous page.
20
Possible Cause
The condenser is dirty.
High air temperature around ice machine
(air-cooled models).
Inadequate clearance around the ice
machine.
Objects stacked around ice machine,
blocking airflow to condenser (air-cooled
models)
Hot incoming water.
Incorrect incoming water pressure.
Water pressure is too low or water filter is
restricted.
2. Allow the ice machine to run to determine if the
condition is recurring.
A. If the ice machine stops again, the condition has
B.
Clean the condenser.
Air temperature must not exceed 110°F
Provide adequate clearance.
Remove items blocking airflow.
Connect the ice machine to a cold water
Water pressure must be 20 – 80 psi (137.9 –
551.5 kPa). Refer to section 2 for plumbing
requirements. Replace water filter.
recurred. Call for service.
If the ice machine continues to run, the condition
has corrected itself. Allow the ice machine to
continue running.
Part Number: 04002909 Rev02 4/16
Section 5
To Correct
(43°C).
supply.