ecoCOOLING Combo Installation, Operating & Maintenance Manual
Doc Ref: Page 8 of 14
EcoCooling IOM Manual RevA
5 MAINTENANCE
5.1 Trouble Shooting
The air conditioners are designed for trouble free life as long as the ambient filter (if applicable) is maintained
in a clean condition. To aid in service definition the service personnel can initially identify probable cause by
referring to the following trouble shooting chart.
If in doubt contact Dantherm Air Handling Inc. for assistance. Always have the Model #, Serial #
available before you call.
Check power source and electrical
connections
Fuse Blown on Control Board
Faulty control components
Unit not cooling sufficiently
Filter (if applicable) clogged
Blocked evaporator or condenser
coil
Evaporator or condenser blower
not operating
Replace motor, capacitor or entire
assembly
Loss of refrigerant or oil leaks
Locate and repair leak. Replace charge
Contact Dantherm Air Handling, Inc.
Insufficient heat load or unit
oversized for application
Contact Dantherm Air Handling, Inc.
Replace evaporator blower motor or
assembly
Condensate draining
continuously
Enclosure not properly sealed
Check and seal all openings
Loose compressor, fans or tubing
Missing Compressor
Current (F=01)
Wire detached or improperly
installed
Secure wiring or install wiring properly
according to diagram
High Pressure Alarm (F=02)
Faulty condensor fan or wiring
loose
Replace fan or check wiring to fan
Faulty condensor fan capacitor or
wiring loose
Replace capacitor or check wiring to
capacitor
Faulty condensor fan switch or
high pressure switch
Replace appropriate switch
Low Pressure Alarm after
start (F=03)
Locate and repair leak. Replace charge
Low Pressure Alarm before
start (F=04)
No refrigerant in system (Large
leak)
Locate and repair leak. Replace charge
Locate and repair leak. Replace charge
High Temperature Alarm
(F=05)
Unit undersized for application
Contact Dantherm Air Handling, Inc.
Low Temperature Alarm
(F=06)
Insufficient heat load or unit
oversized for application
Contact Dantherm Air Handling, Inc.
Faulty Temperature Sensor
(F=07)
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