U-Line pmn - Manual (Page 28)

26
User’s Manual
TROUBLESHOOTING
BEFORE CALLING FOR SERVICE
If the unit appears to be malfunctioning, read through NORMAL OPER-
ATION first. If the problem persists, check the TROUBLESHOOTING
GUIDE. Locate the problem in the guide and refer to the cause and its
remedy before calling for service. The problem could be something very
simple which can be solved without a service call.
TROUBLESHOOTING GUIDE
ELECTROCUTION HAZARD
NEVER attempt to repair or perform mainte-
nance on the unit until the main electrical
power has been disconnected.
Troubleshooting — What to check when problems occur
Problem Possible Cause Remedy
No interior light. Loose or burned out Tighten or replace bulb.
bulb. See page 23 for light
replacement instructions.
The unit is not Light staying on. Call for service.
cold enough.
Inaccurate temperature Properly check
reading. temperature. See page 17.
Dirty condenser coils. Clean condenser. See
CARE AND CLEANING.
Airflow to front grille Airflow must not be
blocked. obstructed to front grille.
See INSTALLATION.
Temperature not set Turn control knob
cold enough. CLOCKWISE to set
temperature colder.
Allow 24 hours for
temperature to stabilize.
DANGER ! !