Daikin REYQ8-48PY1B - Page 4

SiBE37-701_B
iii Table of Contents
2.5 Remote Controller Service Mode .........................................................248
2.6 Test Run Mode.....................................................................................251
2.7 Remote Controller Self-Diagnosis Function .........................................251
3. Troubleshooting by Indication on the Remote Controller ....................259
3.1 “A0” Indoor Unit: Error of External Protection Device............................259
3.2 “
A1
” Indoor Unit: PCB Defect ................................................................260
3.3 “
A3” Indoor Unit: Malfunction of Drain Level Control System (S1L) ......261
3.4 “
A6” Indoor Unit: Fan Motor (M1F) Lock, Overload...............................263
“
A6
” Indoor Unit : Malfunction of Indoor Unit Fan Motor........................265
3.5 “
A7” Indoor Unit: Malfunction of Swing Flap Motor (M1S).....................269
3.6 “
A8” Abnormal Power Supply Voltage...................................................271
3.7 “
A9
” Electronic Expansion Valve Malfunction / Dust Clogging ..............272
“
A9” Indoor Unit: Malfunction of Electronic Expansion Valve Coil.........274
3.8 “
AF” Indoor Unit: Drain Level above Limit .............................................276
3.9 “
AJ
” Indoor Unit: Malfunction of Capacity Determination Device ..........277
3.10 “
C1” Indoor Unit: Failure of Transmission
(Between Indoor unit PCB and Fan PCB) ............................................278
3.11 “
C4
” Indoor Unit: Malfunction of Thermistor (R2T) for
Heat Exchanger....................................................................................280
3.12 “C5” Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes .........281
3.13 “
C6
” Indoor Unit: Failure of Combination
(Between Indoor unit PCB and Fan PCB) ............................................282
3.14 “C9” Indoor Unit: Malfunction of Thermistor (R1T) for Suction Air.........283
3.15 “
CJ
” Indoor Unit: Malfunction of Room Temperature
Thermistor in Remote Controller ..........................................................284
3.16 “E1” Outdoor Unit: PCB Defect .............................................................285
3.17 “
E3
” Outdoor Unit: Actuation of High Pressure Switch..........................286
3.18 “
E4
” Outdoor Unit: Actuation of Low Pressure Sensor..........................288
3.19 “
E5
” Outdoor Unit: Inverter Compressor Motor Lock.............................290
3.20 “
E6
” Outdoor Unit: STD Compressor Motor Overcurrent/Lock..............292
3.21 “
E7
” Outdoor Unit: Malfunction of Outdoor Unit Fan Motor ...................293
3.22 “
E9
” Outdoor Unit: Malfunction of
Electronic Expansion Valve Coil (Y1E~Y5E)........................................296
3.23 “F3
” Outdoor Unit: Abnormal Discharge Pipe Temperature..................298
3.24 “
F6
” Outdoor Unit: Refrigerant Overcharged.........................................300
3.25 “
F9
” Outdoor Unit : Malfunction of
BS Unit Electronic Expansion Valve.....................................................301
3.26 “H7
” Outdoor Unit: Abnormal Outdoor Fan Motor Signal ......................303
3.27 “
H9
” Outdoor Unit: Malfunction of Thermistor (R1T) for
Outdoor Air ...........................................................................................305
3.28 “J2
” Outdoor Unit: Current Sensor Malfunction ....................................306
3.29 “
J3
” Outdoor Unit: Malfunction of Discharge Pipe Thermistor
(R31T, R32T, R33T).............................................................................307
3.30 “J4
” Outdoor Unit: Malfunction of Temperature Sensor for
Heat Exchanger Gas (R2T or R11T)....................................................308
3.31 “J5
” Outdoor Unit: Malfunction of Thermistor (R8T or R10T) for
Suction Pipe .........................................................................................309
3.32 “
J6
” Outdoor Unit: Malfunction of Thermistor (R4T or R12T) for
Outdoor Unit Heat Exchanger ..............................................................310
3.33 “J7
” Outdoor Unit: Malfunction of Liquid Pipe Thermistor 1
(R6T, R9T or R14T) .............................................................................311