Gree LIVV12HP230V1AH User Manual

116
Service Manual
2. Malfunction of Blocked Protection of IDU Fan Motor H6
Main detection points:
● SmoothlyIs the control terminal of PG motor connected tightly?
● SmoothlyIs the feedback interface of PG motor connected tightly?
● The fan motor cant operate?
● The motor is broken?
● Detectioncircuit of the mainboard is dened abnormal?
Malfunction diagnosis process:
Start
While power is off stir the blade
with a tool to see whether the
blade rotates smoothly
Check if the connection of PG
motor feedback terminal is rm
Check if the connection of PG
motor control terminal is rm
Turn on the unit again; measure
whether the output voltage on
control terminal for PG motor is
more than 50V within 1 min after
the louvers are opened
Tighten the screw; reassemble the blade, motor
and shaft bearing rubber base sub-assy to make
sure there is no foreign object between them
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
Is malfunction
eliminated
Is malfunction
eliminated
Is malfunction
eliminated
Is malfunction
eliminated
Is the motor started up
Replace PG motor
Replace the mainboard
with the same model
Measure the voltage of this foot to
neutral wire on the mainboard
End
Reinstall the blade
and motor correctly
Insert the control terminal
of PG motor tightly
62

Gree LIVV12HP230V1AH Specifications

General

Model	LIVV12HP230V1AH
Energy Efficiency Ratio (EER)	12.0
Refrigerant	R410A
Indoor Unit Noise Level	42 dB(A)
Type	Split System Air Conditioner
Cooling Capacity	12, 000 BTU/h
Heating Capacity	12000 BTU/h
Power Supply	230V / 60Hz / 1Ph
Weight (Indoor Unit)	22 lbs
Outdoor Unit Noise Level	54 dB(A)