Troubleshooting by Indication on the Remote Controller
60
Note:
∗
1. Measurement of power wire connector.
Remove the connector from the fan PCB and
measure the resistance between the U and V, V and
W, and W and U phases of the motor connector (with
five core wire) and check that each phase are
balanced (within a permissible dispersion range of
±20%).
∗
2. Measurement of signal wire connector.
Remove the connector and measure the resistance
between GND and V
CC
, H
W
, H
V
, or H
U
terminals of
the motor connector (with five core wire).
Replace the fan
motor.
YES
NO
Replace the fan
PCB.
The
HAP
lamp of the
indoor PCB
blinks and the HAP
lamp of the fan
PCB is OFF.
B
5 Gray
4 Pink
3 Orange
2 Blue
1 Yellow
GND
Vcc
H
W
H
V
H
U
5 Red
4
3 White
2
1 Black
U
V
W
Connector power wire use
Connector signal wire use