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2.20 P8: Typhoon protec on (For all models)
2.20.1 Digital display output
P8
2.20.2 Descrip on
P8 indicates strong wind protec on.
•
•
The system stops running.
•
Error code is displayed on the outdoor unit PCB.
2.20.3 Trigger / recover condi on
•
Trigger condi on:
•
Fan speed ≥400rps when the outdoor unit is not start up. Or fan speed over 400rps for 90S when outdoor unit stop for
malfunc on.
•
Recover condi on: Detect the fan speed < 400rps for more than 120S.
•
Reset method: Resume automa cally.
2.20.4 Possible causes
•
There is strong wind around the outdoor unit.
•
DC fan motor is damaged.
•
Main PCB damaged.
2.20.5 Procedure
Check history fault
code to analyze
Notes:
1.
P8 protec
n recovers in 2 minutes when the strong wind stops.
Whether the fan blade was blow to high
speed in standby
Yes
Power off for 3 minutes and then repower
on to confirm whether the fault is cleared
Power off and pull up CN17(white) and
CN19(black) of DC motor wire, repower
on to confirm whether report E6 code
protec on
Check whether DC motor is normal
DC motor is damaged
P8
No
No
Yes
No
Trigger the protect
Yes
func on, Wait unit the
strong wind stops
ODU main control
No
board damaged
Yes
1
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