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SiBE12-816_D
195
Service Diagnosis
Part 6
Service Diagnosis
1. Troubleshooting with LED ...................................................................197
1.1
Indoor Unit............................................................................................197
1.2
Outdoor Unit .........................................................................................198
2. Problem Symptoms and Measures .....................................................199
3. Service Check Function ......................................................................200
3.1
RA Indoor Unit - F(C)TXG, FTXS, FVXS, FLK(X)S,
FDK(X)S Series....................................................................................200
3.2
SA Indoor Unit - FFQ Series ................................................................209
4. Code Indication on Remote Controller ................................................213
4.1
RA Indoor Unit - F(C)TXG, FTXS, FVXS, FLK(X)S,
FDK(X)S Series....................................................................................213
4.2
SA Indoor Unit - FFQ Series ................................................................213
4.3
Outdoor Unit .........................................................................................214
5. Troubleshooting for RA Indoor Unit - F(C)TXG, FTXS, FVXS,
FLK(X)S, FDK(X)S Series...................................................................215
5.1
Indoor Unit PCB Abnormality ...............................................................215
5.2
Freeze-up Protection Control or Heating Peak-cut Control ..................216
5.3
Fan Motor or Related Abnormality .......................................................218
5.4
Thermistor or Related Abnormality (Indoor Unit)..................................221
5.5
Front Panel Open / Close Fault (FTXG, CTXG)...................................222
6. Troubleshooting for SA Indoor Unit - FFQ Series ...............................223
6.1
Indoor Unit PCB Abnormality ...............................................................223
6.2
Drain Water Level System Abnormality................................................224
6.3
Fan Motor or Related Abnormality .......................................................226
6.4
Drain System Abnormality....................................................................227
6.5
Thermistor or Related Abnormality.......................................................228
6.6
Remote Controller Thermistor Abnormality ..........................................230
6.7
Signal Transmission Error
(between Indoor Unit and Remote Controller)......................................231
6.8
Signal Transmission Error
(between MAIN Remote Controller and SUB Remote Controller)........232
6.9
Field Setting Abnormality .....................................................................233
7. Troubleshooting for Outdoor Unit........................................................235
7.1
Anti-icing Control for Indoor Unit ..........................................................235
7.2
OL Activation (Compressor Overload) .................................................237
7.3
Compressor Lock .................................................................................238
7.4
DC Fan Lock ........................................................................................239
7.5
Input Overcurrent Detection .................................................................240
7.6
Discharge Pipe Temperature Control...................................................241
7.7
High Pressure Control in Cooling .........................................................242
7.8
Compressor Sensor System Abnormality ............................................243
7.9
Position Sensor Abnormality ................................................................244
7.10 DC Voltage / Current Sensor Abnormality............................................246