Daikin 3MKS50DVM, Service Manual

Page: 6 / 403

Si12-619A
Table of Contents v
5.22 Thermistor or Related Abnormality (Outdoor Unit)...............................241
5.23 Electrical Box Temperature Rise..........................................................243
5.24 Radiation Fin Temperature Rise ..........................................................247
5.25 Output Over Current Detection.............................................................251
5.26 Insufficient Gas.....................................................................................253
5.27 Low-voltage Detection or Over-voltage Detection................................257
5.28 Signal Transmission Error (on Outdoor Unit PCB)...............................258
5.29 Anti-icing Function in Other Rooms / Unspecified Voltage
(between Indoor and Outdoor Units) ....................................................259
6. Check ..................................................................................................260
6.1 How to Check .......................................................................................260
Part 7 Removal Procedure ........................................................271
1. Outdoor Unit – E Series (50 / 52 / 58 Class).......................................272
1.1 Removal of the Panels and Plates .......................................................272
1.2 Removal of the Electrical Box ..............................................................277
1.3 Removal of the PCB.............................................................................284
1.4 Removal of the Propeller Fan / Fan Motor ...........................................290
1.5 Removal of the Sound Blanket.............................................................292
1.6 Removal of Electronic Expansion Valve Coil,
Four Way Valve Coil and Thermistor ...................................................296
1.7 Removal of the Distributor....................................................................299
1.8 Removal of the Four Way Valve...........................................................300
1.9 Removal of the Compressor.................................................................301
2. Outdoor Unit – E Series (68 / 71 / 75 Class), D Series .......................303
2.1 Removal of the Outer Panels ...............................................................303
2.2 Removal of the Electrical BOX .............................................................304
2.3 Removal of the PCB.............................................................................308
2.4 Removal of the Fan Motor....................................................................311
2.5 Removal of the Sound Blanket.............................................................312
2.6 Removal of the Four Way Valve Coil, Solenoid Valve Coil,
Electronic Expansion Valve Coil and Thermistor .................................313
2.7 Removal of the Four Way Valve, Solenoid Valve and Shunt ...............315
2.8 Removal of the Solenoid Valve and Shunt...........................................316
2.9 Removal of the Compressor.................................................................317
3. Outdoor Unit – E Series (80 / 90 / 100 Class).....................................318
3.1 Removal of Outer Panels .....................................................................318
3.2 Removal of the Electrical Box ..............................................................334
3.3 Removal of PCB...................................................................................340
3.4 Removal of Fan Motor..........................................................................344
3.5 Removal of Coils / Thermistors ............................................................345
3.6 Removal of Sound Blanket...................................................................351
3.7 Removal of Compressor.......................................................................354
Part 8 Others .............................................................................355
1. Others .................................................................................................356
1.1 Test Run from the Remote Controller ..................................................356
1.2 Jumper Settings ...................................................................................357
1.3 Application of Silicon Grease to a Power Transistor and
a Diode Bridge......................................................................................358