11
Service Manual for Tri-Channel Cold Pan SUB-GP
TROUBLESHOOTING
CAUSE
Unit not plugged in
Thermostat set too warm
Thermostat switch stuck open in
coldest position
Doors not sealing
Torn or damaged door gaskets
Evaporator fan not running
Condenser fan motor not running
Dirty condenser coil or filter
Refrigerant leak
Thermostat set too cold
Thermostat switch is stuck in the
closed position
Drain hose plugged
Drain hose loose or disconnected
from drain pan
REMEDY
Plug unit in
Set thermostat to a higher number for a colder
temperature
Replace thermostat
Adjust doors
Replace gaskets
Check and repair or replace motor
Check and repair or replace motor
Clean coil or filter
Find leak, repair and recharge
Set thermostat to a lower number for a warmer
temperature
Replace thermostat
Clear drain hose
Tighten or connect drain hose
SYMPTOM
Cabinet too warm
Cabinet too cold
Water in bottom of unit