Before Calling For Service; Troubleshooting Guide - Manitowoc 14514 2/08 Installation & Use Manual

Troubleshooting Guide

If a problem arises during operation of your refrigerator
or freezer, follow the checklist below before calling
service. Routine adjustments and maintenance
procedures are not covered by the warranty.
Problem
Cabinet not running
Condensing unit runs
for long periods or
continuously
Cabinet temperature
is too high
Cabinet is noisy
Refrigerator is freezing product
Compressor will not
start — hums and trips on overload
protector
Part Number 14514 2/08
Section 5

Before Calling for Service

Possible Cause
Fuse blown or circuit breaker tripped.
Power cord unplugged.
Thermostat set too high.
Main power switch turned off.
Cabinet in defrost cycle.
(Freezer models)
Excessive amount of warm product
placed in cabinet.
Prolonged door openings or door(s) ajar.
Door gasket(s) not sealing properly.
Dirty condenser coil.
Evaporator coil iced over.
Thermostat set too high.
Poor air circulation in cabinet.
Exterior thermometer is out of calibration. Re-calibrate thermometer.
Excessive amount of warm product
placed in cabinet.
Prolonged door openings or door(s) ajar.
Dirty condenser coil.
Evaporator coil iced over.
Loose part(s).
Tubing vibration.
Thermostat is set too low.
Dirty condenser coil.
Not enough cabinet clearance for proper
refrigeration system operation.
Low voltage to cabinet.
!
Disconnect electric power before performing any
service. Failure to follow this warning could result in
injury or death.
Replace fuse or reset circuit breaker.
Plug in power cord.
Set thermostat to lower temperature.
Turn main power switch on.
Wait for defrost cycle to finish.
Allow adequate time for product to cool
down.
Make sure door(s) are closed when not in
use. Avoid prolonged door openings.
Check gasket condition. Adjust door or
replace gasket if necessary.
Clean the condenser coil.
Turn unit off and allow coil to defrost.
Make sure thermostat is not set too cold.
Also, check gasket condition.
Set thermostat to lower temperature.
Re-arrange product to allow proper air
circulation.
Allow adequate time for product to cool
down.
Make sure door(s) are closed when not in
use. Avoid prolonged door openings.
Clean the condenser coil.
Turn unit off and allow coil to defrost.
Make sure thermostat is not set too cold.
Also, check gasket condition.
Locate and tighten loose part(s).
Insure tubing is free from contact with
other tubing or components.
Set thermostat to higher temperature.
Clean the condenser coil.
Move cabinet or make other adjustments
to gain proper cabinet clearances.
Check and correct incoming voltage to
cabinet.
Warning
To Correct
5-1