SiUS30-1301
Troubleshooting by Indication on the Remote Controller
Service Diagnosis
161
Replace the fan motor.
YES
NO
Between
Vcc and GND
terminals, and
between GND and Hw,
Hv, or Hu terminals
are short-
circuited.
Replace the fan motor.
YES
Replace the fan PCB (A2P).
YES
NO
The
resistance
among U, V, and W
are unbalanced or
short circuited.
NO
The
HAP lamp
of the indoor unit
PCB (A1P) blinks and
the HAP lamp of the
fan PCB (A2P)
is OFF.
Turn ON the power.
Remove the signal
connector from the fan
motor and check the
resistance (
∗
2).
Replace the fan motor.
A