Service manual

SiE18-201
Service Diagnosis 175
Part 9
Service Diagnosis
1. Troubleshooting - Split Type Indoor Unit.............................................176
1.1 Troubleshooting with the Operation Lamp........................................... 176
1.2 Service Check Function....................................................................... 178
1.3 Code Indication on the Remote Controller .......................................... 179
1.4 Troubleshooting................................................................................... 180
1.5 Troubleshooting Detail......................................................................... 181
2. Troubleshooting - SkyAir Indoor Unit ..................................................195
2.1 The INSPECTION/TEST Button.......................................................... 195
2.2 Self-Diagnosis by Wired Remote Controller........................................ 196
2.3 Fault Diagnosis by Wireless Remote Controller.................................. 197
2.4 Troubleshooting by LED on the Indoor Unit’s...................................... 199
2.5 Troubleshooting by Remote Controller Display / LED Display ............ 200
2.6 Troubleshooting Detail......................................................................... 201
3. Troubleshooting - Outdoor Unit Related .............................................209
3.1 The Unit Runs but Doesn’t Cool (Heat) the Room .............................. 209
3.2 7 Seg. Display on the Outdoor P.C. Board.......................................... 211
3.3 Troubleshooting Detail......................................................................... 212
3.4 How to Check ...................................................................................... 249
4. BP Unit Trouble Diagnosis..................................................................259
4.1 PCB Parts Layout................................................................................ 259
4.2 LED On Branch Provider Unit (Diagnosis LEDs)................................. 259