10.3.3.6
Outdoor f
an speed has been out of control or compressor speed has been out of control
(ODU E8/EC 07)
Over current failure of outdoor DC fan motor
(ODU EC71)
Check the compressor
resistance values.
Are they within
acceptable parameters?
Replace the compressor.
YES
YES
Power off, then restart the unit after 2
minutes.
Is it within normal parameters?
Replace the fan motor
Does a problem remain?
The unit is operating normally
NO
Shut off the power supply,
Rotate the fan by hand.
YES
Does it turn easily?
Find the cause of the problem and resolve it
NO
Check the wiring of fan motor.
YES
Is it improperly wired?
Ensure proper connections
Measure the voltage for
the fan motor from the PCB.
YES
Replace the outdoor main
PCB
NO
YES
Replace the DC fan IPM board (if
has)
Does a problem remain?
YES
Service manual
MUEX-
H11 series
54
Содержание H11 Series
Страница 1: ...Service manual www mundoclima com CL21400 CL21407 MULTI INVERTER SERIE H11 R32...
Страница 11: ...10 MUEX 21 H11 3 MUEX 27 H11 3 Service manual MUEX H11 series...
Страница 12: ...11 MUEX 27 H11 3 Service manual MUEX H11 series...
Страница 13: ...12 MUEX 36 H11 4 Service manual MUEX H11 series...
Страница 14: ...13 MUEX 42 H11 5 Service manual MUEX H11 series...
Страница 41: ...EC 50 Open or short circuit of outdoor unit temperature sensor T3 T4 T5 Service manual MUEX H11 series 40...
Страница 73: ...www mundoclima com C N POLES 249 P1 08013 BARCELONA SPAIN 34 93 446 27 80 SAT 34 93 652 53 57...