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Installation and Operation of: Tri-Channel Cold Pan
Duke Manufacturing Co.
2305 N. Broadway
St. Louis, MO 63102
Phone: 314-231-1130
Toll Free: 1-800-735-3853
Fax: 314-231-5074
www.dukemfg.com
For Customer Service
To aid in reporting this unit in case of loss or theft, please record below the
model number and serial number located on the unit. We also suggest you
record all the information listed and retain for future reference.
TROUBLESHOOTING
SYMPTOM CAUSE REMEDY
Cabinet to warm
Unit not plugged in Plug unit in
Thermostat set too warm Set thermostat to a higher number for a colder
temperature
Thermostat switch stuck
open in coldest position
Replace thermostat
Doors not sealing Adjust doors
Torn or damaged door
gaskets
Replace gaskets
Evaporator fan not running Check and repair or replace motor
Condenser fan motor not
running
Check and repair or replace motor
Dirty condenser coil or lter Clean coil or lter
Refrigerant leak Find leak, repair and recharge
Replace thermostat
Thermostat set too cold Set thermostat to a lower number for a warmer
temperature
Thermostat switch is stuck in
the closed position
Replace thermostat
Water in bottom of unit
Drain hose plugged Clear drain hose
Drain hose loose or
disconnected from drain pan
Tighten or connect drain hose