Daikin FTKS25LVMA - Urgent Service and Safety Warnings; Remote Controller Fault Diagnosis

39
Troubleshooting
 Fault diagnosis by remote controller
•IntheARC452Aseries,thetemperaturedisplaysectionsonthemainunitindicate
correspondingcodes.
1. When is held down for
5 seconds, a “ ” indication ashes on the
temperature display section.
2. Press repeatedly until a continuous
beep is produced.
•Thecodeindicationchangesasshownbelow,andnotieswithalongbeep.
CODE
MEANING
SYSTEM
00
NORMAL
UA
INDOOR-OUTDOORUNITCOMBINATIONFAULT
U0
REFRIGERANTSHORTAGE
U2
DROPVOLTAGEORMAINCIRCUITOVERVOLTAGE
U4
FAILUREOFTRANSMISSION(BETWEENINDOORUNITANDOUTDOORUNIT)
INDOOR
UNIT
A1
INDOORPCBDEFECTIVENESS
A5
HIGHPRESSURECONTROLORFREEZE-UPPROTECTOR
A6
FANMOTORFAULT
C4
FAULTYHEATEXCHANGERTEMPERATURESENSOR
C9
FAULTYSUCTIONAIRTEMPERATURESENSOR
OUTDOOR
UNIT
EA
COOLING-HEATINGSWITCHINGERROR
E1
CIRCUITBOARDFAULT
E5
OLSTARTED
E6
FAULTYCOMPRESSORSTARTUP
E7
DCFANMOTORFAULT
E8
OVERCURRENTINPUT
F3
HIGHTEMPERATUREDISCHARGEPIPECONTROL
F6
HIGHPRESSURECONTROL(INCOOLING)
H0
SENSORFAULT
H6
OPERATIONHALTDUETOFAULTYPOSITIONDETECTIONSENSOR
H8
DCCURRENTSENSORFAULT
H9
FAULTYSUCTIONAIRTEMPERATURESENSOR
J3
FAULTYDISCHARGEPIPETEMPERATURESENSOR
J6
FAULTYHEATEXCHANGERTEMPERATURESENSOR
L3
ELECTRICALPARTSHEATFAULT
L4
HIGHTEMPERATUREATINVERTERCIRCUITHEATSINK
L5
OUTPUTOVERCURRENT
P4
FAULTYINVERTERCIRCUITHEATSINKTEMPERATURESENSOR
NOTE
• Ashortbeepand2consecutivebeepsindicatenon-correspondingcodes.
• Tocancelthecodedisplay,holdthe
downfor5seconds.Thecodedisplayalsocancelitselfifthebuttonisnotpressedfor
1minute.
01_EN_3P291209-1C.indd 39 31-Aug-20 6:29:55 PM