Part 6 Service Diagnosis - Daikin F-Series Service Manual

SiEN12-710A
1. Caution for Diagnosis..........................................................................102
2. Problem Symptoms and Measures .....................................................104
3. Service Check Function ......................................................................105
4. Troubleshooting ..................................................................................108
5. Check ..................................................................................................146
Service Diagnosis
Service Diagnosis
3.1 Check Method 1 ...................................................................................105
3.2 Check Method 2 ...................................................................................106
4.1 Error Codes and Description ................................................................108
4.2 Indoor Unit PCB Abnormality ...............................................................109
4.3 Freeze-up Protection Control or High Pressure Control.......................110
4.4 Fan Motor or Related Abnormality .......................................................112
4.5 Thermistor or Related Abnormality (Indoor Unit)..................................115
4.6 Front Panel Open / Close Fault............................................................116
4.7 Freeze-up Protection Control ...............................................................117
4.8 OL Activation (Compressor Overload) .................................................119
4.9 Compressor Lock .................................................................................120
4.10 DC Fan Lock ........................................................................................121
4.11 Input Over Current Detection ...............................................................122
4.12 Discharge Pipe Temperature Control...................................................124
4.13 High Pressure Control in Cooling .........................................................125
4.14 Compressor Sensor System Abnormality ............................................127
4.15 Position Sensor Abnormality ................................................................128
4.16 DC Voltage / DC Current Sensor Abnormality .....................................130
4.17 Thermistor or Related Abnormality (Outdoor Unit)...............................131
4.18 Electrical Box Temperature Rise..........................................................133
4.19 Radiation Fin Temperature Rise ..........................................................135
4.20 Output Over Current Detection.............................................................137
4.21 Insufficient Gas.....................................................................................139
4.22 Over-voltage Detection / Low-voltage Detection ..................................141
4.23 Anti-icing Function in Other Rooms / Unspecified Voltage
(between Indoor and Outdoor Units) ....................................................142
4.24 Outdoor Unit PCB Abnormality or
Signal Transmission Circuit Abnormality..............................................143
5.1 How to Check .......................................................................................146
Part 6
101