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INVENTOR P9VI32-09WF User Manual

INVENTOR P9VI32-09WF
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51
11.2.4 Fan speed has been out of control diagnosis and solution (E3)
Error Code
E3/F5
Malfunction decision
conditions
When indoor fan speed keeps too low (300RPM) for certain time,
the unit will stop and the LED will display the failure.
Supposed causes
Wiring mistake
Fan ass’y faulty
Fan motor faulty
PCB faulty
Trouble shooting:
Shut off the power supply
and turn it on 2 minutes
later. Is it still displaying
the error code?
Shut off the power supply,
rotate the fan by hand.
Does it rotate properly?
The unit operates normally.
Find out the cause and
have it solved. For
example, check
whether the fan is
blocked or the bearing
is broken?
Check the wires of fan
motor. Are all the
connections good?
No
Yes
No
Correct the connections.No
Check whether the main PCB is
normal through index 1?
Yes
Yes
Yes
Replace the fan motor.Is the error
extinguished?
No
Replace the main PCBNo

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INVENTOR P9VI32-09WF Specifications

General IconGeneral
BrandINVENTOR
ModelP9VI32-09WF
CategoryAir Conditioner
LanguageEnglish

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