![background image](http://html.mh-extra.com/html/daikin/4mxl-t-series/4mxl-t-series_service-manual_501130205.webp)
SiUS121827E
Troubleshooting for Outdoor Unit
Part 6 Service Diagnosis
199
Troubleshooting
Correct the power supply.
Replace the outdoor
unit PCB (main PCB).
Check for such factors for a
long term.
(R22370)
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
NO
NO
YES
YES
NO
YES
YES
Reconnect the harness.
Check the power supply voltage.
Check the connection of the
compressor harness.
Disturbance factors
∗
Noise
∗
Power supply distortion
(Precaution before turning on the power again)
Make sure the power has been off for at
least 30 seconds.
Replace the indoor
unit PCB (control PCB).
Turn on
the power. System
restarted? (Repeat a few
times.)
Error again
within 3 minutes after
turning on the power?
Loose or
disconnected?
NO
YES
NO
Replace the outdoor fan motor
and the outdoor unit PCB
(main PCB).
Does the
outdoor fan rotate smoothly?
Is the
voltage fluctuation
within ±10% from the rated
value?
Содержание 4MXL-T Series
Страница 107: ...SiUS121827E SA Indoor Unit Functions Part 4 Functions and Control 101 FFQ Series Emergency operation switch R24077 ...
Страница 182: ...Troubleshooting for RA Indoor Unit SiUS121827E 176 Part 6 Service Diagnosis Reference Check No 11 Refer to P 235 ...
Страница 190: ...Troubleshooting for SA Indoor Unit SiUS121827E 184 Part 6 Service Diagnosis Reference Check No 02 Refer to P 233 ...
Страница 249: ...SiUS121827E Check Part 6 Service Diagnosis 243 R6000583 1 2 3 4 Multimeter Front side Rear side ...
Страница 288: ...Piping Diagrams SiUS121827E 282 Part 8 Appendix 1 2 Outdoor Unit 5MXS48TVJU 4MXL36TVJU 3D117817 3D118311 ...
Страница 298: ...Operation Limit SiUS121827E 292 Part 8 Appendix 4 Operation Limit 5MXS48TVJU 4MXL36TVJU 3D048149D 3D101428 ...