36
When the Need Arises
Fault diagnosis by remote controller
•Theremotecontrollercanreceiverelevanterrorcodesfromtheindoorunit.
1. When is held down for about 5 seconds,
“ ” blinks in the temperature display section.
2. Press repeatedly until a continuous beep
is produced.
•Thecodeindicationchangesasshownbelow,andnotiesyouwithalongbeep.
CODE MEANING
SYSTEM
00 NORMAL
UA INDOOR-OUTDOORUNITCOMBINATIONFAULT
U0 REFRIGERANTSHORTAGE
U2 DROPVOLTAGEORMAINCIRCUITOVERVOLTAGE
U4 FAILUREOFTRANSMISSION(BETWEENINDOORUNITANDOUTDOORUNIT)
INDOOR
UNIT
A1 INDOORPCBDEFECTIVENESS
A5 HIGHPRESSURECONTROLORFREEZE-UPPROTECTOR
A6 FANMOTORFAULT
C4 FAULTYHEATEXCHANGERTEMPERATURESENSOR
C9 FAULTYSUCTIONAIRTEMPERATURESENSOR
OUTDOOR
UNIT
EA COOLING-HEATINGSWITCHINGERROR
E1 CIRCUITBOARDFAULT
E3 HIGHPRESSURECONTROL(INCOOLING)
E5 OLSTARTED
E6 FAULTYCOMPRESSORSTARTUP
E7 DCFANMOTORFAULT
E8 OVERCURRENTINPUT
F3 HIGHTEMPERATUREDISCHARGEPIPECONTROL
H0 SENSORFAULT
H6 OPERATIONHALTDUETOFAULTYPOSITIONDETECTIONSENSOR
H8 DCCURRENTSENSORFAULT
H9 FAULTYSUCTIONAIRTEMPERATURESENSOR
J3 FAULTYDISCHARGEPIPETEMPERATURESENSOR
J6 FAULTYHEATEXCHANGERTEMPERATURESENSOR
L3 ELECTRICALPARTSHEATFAULT
L4 HIGHTEMPERATUREATINVERTERCIRCUITHEATSINK
L5 OUTPUTOVERCURRENT
P4 FAULTYINVERTERCIRCUITHEATSINKTEMPERATURESENSOR
NOTE
•Ashortbeepand2consecutivebeepsindicatenon-correspondingcodes.
•Tocancelthecodedisplay,hold
downforabout5seconds.Thecodedisplayalsoclearsifnobuttonispressedfor1minute.
01_EN_3P384084-1.indd 36 11/4/2014 2:08:53 PM