Specifications

Si30-813
Troubleshooting 151
Part 6
Troubleshooting
1. Troubleshooting by Remote Controller ...............................................154
1.1 The INSPECTION / TEST Button.........................................................154
1.2 Self-diagnosis by Wired Remote Controller .........................................155
1.3 Self-diagnosis by Wireless Remote Controller .....................................156
1.4 Operation of the Remote Controller’s Inspection /
Test Operation Button ..........................................................................159
1.5 Remote Controller Service Mode .........................................................160
1.6 Remote Controller Self-Diagnosis Function .........................................162
2. Troubleshooting by Indication on the Remote Controller ....................168
2.1 “
A0
” Indoor Unit: Error of External Protection Device............................168
2.2 “
A1” Indoor Unit: PC Board Defect ........................................................169
2.3 “
A3” Indoor Unit: Malfunction of Drain Level Control System
(S1L).....................................................................................................170
2.4 “
A6
” Indoor Unit: Fan Motor (M1F) Lock, Overload...............................172
2.5 “
A7” Indoor Unit: Malfunction of Swing Flap Motor (MA).......................179
2.6 Abnormal Power Supply Voltage..........................................................181
2.7 “
A9
” Indoor Unit: Malfunction of Moving Part of
Electronic Expansion Valve (20E) ........................................................182
2.8 “
AF
” Indoor Unit: Drain Level above Limit .............................................184
2.9 “
AJ
” Indoor Unit: Malfunction of Capacity Determination Device ..........185
2.10 “
C1
” Indoor Unit: Failure of Transmission
(Between Indoor unit PC Board and Fan PC Board)............................186
2.11 “C4
” Indoor Unit: Malfunction of Thermistor (R2T) for
Heat Exchanger....................................................................................188
2.12 “
C5
” Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes .........189
2.13 “
C6
” Indoor Unit: Failure of Combination
(Between Indoor unit PC Board and Fan PC Board)............................190
2.14 “
C9
” Indoor Unit: Malfunction of Thermistor (R1T) for Suction Air.........191
2.15 “
CC
” Indoor Unit: Malfunction of Humidity Sensor System ....................192
2.16 “
CJ
” Indoor Unit: Malfunction of Thermostat Sensor in
Remote Controller ................................................................................193
2.17 “E1
” Outside Unit: PC Board Defect......................................................194
2.18 “
E3
” Outside Unit: Actuation of High Pressure Switch ..........................195
2.19 “
E4
” Outside Unit: Actuation of Low Pressure Sensor ..........................197
2.20 “
E5
” Compressor Motor Lock ................................................................199
2.21 “
E9
” Outside Unit: Malfunction of Moving Part of
Electronic Expansion Valve (Y1E, Y3E)...............................................201
2.22 “F3
” Outside Unit: Abnormal Discharge Pipe Temperature ..................203
2.23 “
F6
” Refrigerant Overcharged ...............................................................204
2.24 “
HJ
” Malfunction of Water System.........................................................206
2.25 “
J3
” Outside Unit: Malfunction of Discharge Pipe Thermistor
(R3T) ....................................................................................................208
2.26 “
J4
” Malfunction of Heat Exchanger Gas Pipe Thermistor (R4T) .........209
2.27 “
J5
” Outside Unit: Malfunction of Thermistor (R2T) for
Suction Pipe .........................................................................................210