Specifications
Table Of Contents
- Cover
- Table of Contents
- Part 1 List of Functions
- Part 2 Specifications
- Part 3 Printed Circuit Board Connector Wiring Diagram
- Part 4 Function and Control
- Part 5 Operation Manual
- Part 6 Service Diagnosis
- 1. Caution for Diagnosis
- 2. Problem Symptoms and Measures
- 3. Service Check Function
- 4. Code Indication on the Remote Controller
- 5. Troubleshooting
- 5.1 Indoor Units
- 5.2 Outdoor Units
- 5.3 Indoor Unit PCB Abnormality A1
- 5.4 Freeze-up Protection Control or High Pressure Control A5
- 5.5 Fan Motor or Related Abnormality A6
- 5.6 Thermistor or Related Abnormality (Indoor Unit) C4,C9
- 5.7 Front Panel Open / Close Fault C7
- 5.8 Signal Transmission Error (between Indoor and OutdoorUnit) U4
- 5.9 Unspecified Voltage (between Indoor and Outdoor Units) UA
- 5.10 Freeze-up Protection Control A5
- 5.11 Outdoor Unit PCB Abnormality E1
- 5.12 OL Activation (Compressor Overload) E5
- 5.13 Compressor Lock E6
- 5.14 DC Fan Lock E7
- 5.15 Input Over Current Detection E8
- 5.16 Discharge Pipe Temperature Control F3
- 5.17 High Pressure Control in Cooling F6
- 5.18 Compressor Sensor System Abnormality H0
- 5.19 Position Sensor Abnormality H6
- 5.20 CT or Related Abnormality H8
- 5.21 Thermistor or Related Abnormality (Outdoor Unit) P4,J3,J6,J8,J9,H9
- 5.22 Electrical Box Temperature Rise L3
- 5.23 Radiation Fin Temperature Rise L4
- 5.24 Output Over Current Detection L5
- 5.25 Insufficient Gas U0
- 5.26 Low-voltage Detection or Over-voltage Detection U2
- 5.27 Signal Transmission Error (on Outdoor Unit PCB) U7
- 5.28 Anti-icing Function in Other Rooms / UnspecifiedVoltage (between Indoor and Outdoor Units) UA,UH
- 6. Check
- Part 7 Removal Procedure
- Part 8 Others
- Part 9 Appendix
- Index
- Drawings & Flow Charts
SiBE12-713
vi Drawings & Flow Charts
outdoor unit PCB abnormality ..............................249
output over current detection ...............................269
over-voltage detection ..........................................273
P
PCB (ceiling suspended type) ................................55
piping diagrams
4MKS75F2V1B ..............................................330
4MXS68F2V1B ..............................................330
CTXG50EV1BW(S) .......................................325
FDKS25CAVMB ............................................327
FDKS25EAVMB ............................................327
FDKS35CAVMB ............................................327
FDKS35EAVMB ............................................327
FDKS50CVMB ...............................................327
FDKS60CVMB ...............................................327
FDXS25CAVMB ............................................327
FDXS25EAVMB ............................................327
FDXS35CAVMB ............................................327
FDXS35EAVMB ............................................327
FDXS50CVMB ...............................................327
FDXS60CVMB ...............................................327
FHQ35/50/60BVV1B .....................................329
FLKS25BAVMB .............................................327
FLKS35BAVMB .............................................327
FLKS50BAVMB .............................................327
FLKS60BAVMB .............................................327
FLXS25BAVMB .............................................328
FLXS35BAVMB .............................................328
FLXS50BAVMB .............................................328
FLXS60BAVMB .............................................328
FTKS20CAVMB .............................................324
FTKS20D3VMW(L) ........................................324
FTKS25CAVMB .............................................324
FTKS25D3VMW(L) ........................................324
FTKS35CAVMB .............................................324
FTKS35D3VMW(L) ........................................324
FTKS50D2V1W(L) .........................................324
FTKS50FV1B ................................................324
FTKS60FV1B ................................................324
FTKS71FV1B ................................................325
FTXG25EV1BW(S) ........................................325
FTXG35EV1BW(S) ........................................325
FTXS20CAVMB .............................................326
FTXS20D3VMW(L) ........................................325
FTXS25CAVMB .............................................326
FTXS25D3VMW(L) ........................................325
FTXS35CAVMB .............................................326
FTXS35D3VMW(L) ........................................325
FTXS50D2V1W(L) .........................................326
FTXS50FV1B ................................................326
FTXS60FV1B ................................................326
FTXS71FV1B ................................................326
FVXS25FV1B ................................................328
FVXS35FV1B ................................................328
FVXS50FV1B ................................................328
position sensor abnormality .................................260
power supply PCB ..................................................50
power supply waveforms check ...........................282
power transistor check .........................................283
priority room setting ..............................................100
programme dry function ........................................ 66
R
radiation fin temperature rise .............................. 267
remote controller ......................................... 229, 230
S
sensor PCB ........................................................... 53
service monitor PCB ............................................. 58
service PCB .......................................................... 53
signal receiver PCB ....................... 39, 42, 44, 46, 51
signal transmission error ..................................... 244
signal transmission error (on outdoor unit PCB) . 274
starting control flow ............................................... 64
starting timing chart ............................................... 64
T
target discharge pipe temperature control ............ 95
test operation from remote controller .................. 320
thermistor or related abnormality (indoor unit) .... 242
thermistor or related abnormality (outdoor unit) .. 263
thermistor resistance check ................................ 279
thermostat control ................................................. 68
troubleshooting with the LED indication .............. 227
turning speed pulse input on the outdoor unit PCB
check ............................................................ 284
U
unspecified voltage (between indoor and outdoor
units) .................................................... 246, 275
W
wiring diagrams
4MKS75F2V1B ............................................. 336
4MXS68F2V1B ............................................. 336
CTXG50EV1BW(S) ...................................... 333
FDKS25CAVMB ........................................... 333
FDKS25EAVMB ............................................ 333
FDKS35CAVMB ........................................... 333
FDKS35EAVMB ............................................ 333
FDKS50CVMB .............................................. 333
FDKS60CVMB .............................................. 333
FDXS25CAVMB ........................................... 333
FDXS25EAVMB ............................................ 333
FDXS35CAVMB ........................................... 333
FDXS35EAVMB ............................................ 333
FDXS50CVMB .............................................. 333
FDXS60CVMB .............................................. 333
FHQ35/50/60BVV1B ..................................... 335
FLKS25BAVMB ............................................ 334
FLKS35BAVMB ............................................ 334
FLKS50BAVMB ............................................ 334
FLKS60BAVMB ............................................ 334
FLXS25BAVMB ............................................ 334
FLXS35BAVMB ............................................ 334
FLXS50BAVMB ............................................ 334
FLXS60BAVMB ............................................ 334
FTKS20CAVMB ............................................ 332
FTKS20D3VMW(L) ....................................... 331
FTKS25CAVMB ............................................ 332
FTKS25D3VMW(L) ....................................... 331