Troubleshooting by Indication on the Remote Controller
129
Refer to P.378.
Refer to P.379.
NO
YES
Is the
LED (HAP)
on fan inverter PCB
blinking?
Replace the fan
inverter PCB.
Check on connector of
fan motor (Power supply
cable)
Check on connector of fan
motor (Signal wire)
NO
Are the
resistance
values between
phases of U, V, W
balanced? Is there any
short circuiting
between phases
of U, V, W?
Replace the fan
motor of outdoor
unit.
NO
Replace the fan
motor of outdoor
unit.
Is the
resistance
value between Vcc
and UVW, and GND
and UVW
balanced?
Replace the fan
inverter PCB.
YES
YES
A
CHECK 16
CHECK 17
CHECK 16
CHECK 17
Содержание VRVII
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