Friedrich Kuhl+ KEQ08A11A User Manual

63 PB
TROUBLESHOOTING
COMPLAINT CAUSE SOLUTION
Electronic control
board does not turn unit off
Compressorrelaycontactsstuck Replaceelectroniccontrolboard
Incorrectwiring Refer to appropriate wiring diagrams
Unitundersizedforareatobecooled Refertoindustrystandardsizingchart
Defectivethermistor Replacethermistororelectroniccontrolboard
Compressor runs for short periods
only.
Incorrectwiring Refer to appropriate wiring diagram
Shortedorincorrectcapacitor Testcapacitorandreplaceifneeded.
Restrictedorlowairowthrough
condensercoilorevaporatorcoil
Checkforproperfanspeedorblockedcoils.
Correctasneeded.
Compressor running abnormally hot
Checkforkinkeddischargelineorrestricted
condenser.Refrigerantovercharge.Checkam-
perage,connections.
Unit does not turn on
No power
Checkpowersupply.CheckLCDIplug.Check
wireconnections.Checkifpanelislocked.
Incorrectwiring Refer to appropriate wiring diagram
Defectivethermistor Replacethermistororelectroniccontrolboard
Noisy operation
Poorly installed
Refer to Installation Manual for proper instal-
lation
Fanbladestrikingchassis Reposition - adjust motor mount
Compressor vibrating
Checkthatcompressorgrommetshavenot
deteriorated.Checkthatcompressormounting
parts are not missing
Improperlymountedorloosecabinet
parts refrigerant tubes
Checkassembly&partsforlooseness,rubbing
&rattlingpipes,etc.
WaterLeaksintoRoom
Evaporatordrainpanoverowing Cleanobstructeddraintrough
Condensation forming underneath
base pan
Evaporatordrainpanbrokenorcracked.Reseal
orreplace.Nochassisgasketinstalled.Install
chassisgasket
Poor installation resulting in rain en-
tering the room
Checkinstallationinstructions.Resealasre-
quired
Condensationondischargegrille
louvers
Dirtyevaporatorcoil.Cleancoils(SeeRoutine
Maintenance)Environmentalphenomena:point
supplylouversupward.Putonhighfan.
Chassisgasketnotinstalled Installgasket,perInstallationmanual
Downward slope of unit is too steep
inward
Refer to installation manual for proper instal-
lation
Tips continued

Friedrich Kuhl+ KEQ08A11A Specifications

General

Brand	Friedrich
Model	Kuhl+ KEQ08A11A
Category	Air Conditioner
Language	English