Part 6 Service Diagnosis - Daikin F-Series Service Manual

SiBE12-712
1. Caution for Diagnosis..........................................................................192
2. Problem Symptoms and Measures .....................................................194
3. Service Check Function ......................................................................195
4. Troubleshooting ..................................................................................199
5. Check ..................................................................................................237
Service Diagnosis
Service Diagnosis
3.1 Check Method 1 ...................................................................................195
3.2 Check Method 2 ...................................................................................197
4.1 Error Codes and Description ................................................................199
4.2 Indoor Unit PCB Abnormality ...............................................................200
4.3 Freeze-up Protection Control or High Pressure Control.......................201
4.4 Fan Motor or Related Abnormality .......................................................203
4.5 Thermistor or Related Abnormality (Indoor Unit)..................................206
4.6 Front Panel Open / Close Fault............................................................207
4.7 Freeze-up Protection Control ...............................................................208
4.8 OL Activation (Compressor Overload) .................................................210
4.9 Compressor Lock .................................................................................211
4.10 DC Fan Lock ........................................................................................212
4.11 Input Over Current Detection ...............................................................213
4.12 Discharge Pipe Temperature Control...................................................215
4.13 High Pressure Control in Cooling .........................................................216
4.14 Compressor Sensor System Abnormality ............................................218
4.15 Position Sensor Abnormality ................................................................219
4.16 DC Voltage / DC Current Sensor Fault ................................................221
4.17 Thermistor or Related Abnormality (Outdoor Unit)...............................222
4.18 Electrical Box Temperature Rise..........................................................224
4.19 Radiation Fin Temperature Rise ..........................................................226
4.20 Output Over Current Detection.............................................................228
4.21 Insufficient Gas.....................................................................................230
4.22 Over-voltage Detection / Low-voltage Detection ..................................232
4.23 Anti-icing Function in Other Rooms / Unspecified Voltage
(between Indoor and Outdoor Units) ....................................................233
4.24 Outdoor Unit PCB Abnormality or Signal
Transmission Circuit Abnormality.........................................................234
5.1 How to Check .......................................................................................237
Part 6
191