Troubleshooting
83
12:9HEATPUMPLOWPRESSURE
Thisisonlyawarningmessageandwillnotstopthedryingprocess,however,theheatpumpwill
stop.
ThewarningisactivatediftheinputHPLOWPRESSURE(lowpressureswitchforheatpump)
hasbeendeactivatedtoomanytimesinonedryingprogram.
Allowednumberofdeactivationofthelowpressureswitchinoneprogramissetinconguration
2parameterHPLOWPRES.MSG.
Theerrorcodecanbetriggedifthereistoolittlerefrigerantintheheatpumporbydamaged
wiringorconnectors.
Themessageisresetfromthecontrolsystembyashortpressonthecontrolknob/startbuttonand
theongoingprogramwillcontinue(orendsifpressatendofprogram).Alongpressonthecontrol
knob/startbuttonwillmakethecontrolsystemresetandongoingprogramwillbeended.Theheat
pumpwillrestartwhentherefrigerantlowpressureisrestoredtonormalagain.
Recommendedactions:
1.Checktheharness,connectorsandfunctionsbyreadingtheelectricalschematicandbyusing
theSHOWINPUTSmenuwhenthemachineisinservicemode.
2.Trytorunagain,iferrorstillpresent,checktheheatpumpforgasleakage.
12:10HEATPUMPHIGHPRESSURE
Thisisonlyawarningmessageandwillnotstopthedryingprocess.
ThewarningisactivatediftheinputHPHIGHPRESSURE(highpressureswitchforheatpump)
hasbeendeactivatedtoomanytimesinonedryingprogram.
Allowednumberofdeactivationofthehighpressureswitchinoneprogramissetinconguration2
parameterHPHIGHPRES.MSG.
Theerrorcodecanbetriggedifthereisnocoolingwatertomachineoriftheairowisobstructed,
bylint,overload,etc.
Themessageisresetfromthecontrolsystembyashortpressonthecontrolknob/startbuttonand
theongoingprogramkeepscontinue(orendsifpressatendofprogram.)Alongpressonthe
controlknob/startbuttonwillmakethecontrolsystemresetandongoingprogramwillbeended.
Theheatpumpwillrestartwhentherefrigeranthighpressureisrestoredtonormalagain.
Recommendedactions:
1.Checktheharness,connectorsandfunctionsbyreadingtheelectricalschematicandbyusing
theSHOWINPUTSmenuwhenthemachineisinservicemode.
2.Checkcoolingwatersupply.
3.Checkairowandcleanlters.