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75F 13
Troubleshooting Guide
DANGER
ELECTROCUTION HAZARD
Never attempt to repair or perform maintenance on
the unit until the main electrical power has been
disconnected.
Troubleshooting - What to check when problems occur:
PROBLEM POSSIBLE CAUSE REMEDY
Unit not cold enough Door gasket not sealing properly Adjust door (See MAINTENANCE; DOOR ALIGN, ADJUST,
REVERSE).
Item(s) interfering with door Reposition or remove item(s).
Dirty condenser coils Clean condenser (See MAINTENANCE; CONDENSER
CLEANING).
Airflow to front grille blocked Airflow must not be obstructed to front grille (See
OPERATION).
Temperature not set cold enough Set control knob to cooler setting (See OPERATION).
Allow 24 hours for temperature to stabilize.
The unit frosts up. Unit is manual defrost model. Models SP18, 95, 98, CO29, CO75 and 75F are manual
defrost (See MAINTENANCE; DEFROSTING).
Door gasket not sealing properly Adjust door (See MAINTENANCE; DOOR ALIGN, ADJUST,
REVERSE).
High ambient temperatures or
humidity
Defrost unit manually (See MAINTENANCE;
DEFROSTING).
Noise during operation Certain sounds are normal. Soft sounds from the fan will be heard.
Fan blade touching obstruction
(wiring, foam insulation, etc.)
Remove obstruction.
ULIN_016357_30144.fm Page 13 Tuesday, March 14, 2006 2:34 PM