York EVHC 09 DSAAAR Service Manual

Also see for EVHC 09 DSAAAR: Operating and maintenance instructions

York EVHC 09 DSAAAR Service Manual Manual pdf 39 page image

159The breaker trips at once when itis set to "ON".Measure insulation resistance to ground to seeif there is any leakage.Trip of breaker or blowof fuseThe breaker trips in few minuteswhen it is set to "ON"Check power supply circuit.Check if the plug is properly plugged in andmake the loose contact firm.Change controller fuseCheck remote controllerC h a n g e b a t t e r i e sPower voltage is too lowRemote controller malfunctionReceiver is brokenController is brokenReceiver loose or poor connectionNo powerFuse of controller burnt outRemote controller is short of powerPower plug is not well plugged in and poor con-nectionFasten the wiring; measure the outputv o l t a g e o f t h e t r a n s f o r m e r , i f i t i sincorrect, change the transformerputratstonnacrenoitidnocriAThe air conditionerdoes not react afterit is powered ( afterthe plug is inserted,the buzzer doesnot sound and theremote startup hasno response)The remote controllerdoes not receivesignals (after it ispowered, the buzzerwill sound, unless ithas malfunction)The circuit or the part of the air conditioner hasmalfunction. They heat and break the insulationand lead to short circuit or creepage. Measurethe insulation resistance or eliminate the malfunc-t i o n o n e b y o n e . I f t h e b r e a k e r i t s e l f h a smalfunction, then replace the breaker.The transformer connection is loose or has badcontact or the transformer has malfunctionFirst, press the manual switch button AUTO,if there is no response,check based on theabove methods. If it runs normally afterpressing the button,check again whether theinstallation position and the connection wireof the reception head is correct. If it iscorrect,then replace the receiver or the re-mote controller.heck the voltage. If it is lower than 10£¥ of the rated voltage, check thecause, improve the power supply condition and add the stabilized voltagepower supply.Note: When replacing the controller, make sure insert the wire jumper into the new controller, otherwise theunit display C5Troubleshooting GuideTroubleshooting Guide