Troubleshooting by Error Code
SiAF341904E
186
Part 6 Service Diagnosis
Note(s)
Check the drain piping for
clogging or upward slope, etc.
Replace the indoor unit control
PCB (A1P).
Replace the drain pump or
check for dirt, etc.
YES
YES
NO
NO
The drain
pump works when the
power supply is reset for the
indoor unit.
The
voltage of
drain pump
terminals (
∗
2) is in
accordance to the criteria
(
∗
3) (within 5 minutes of
resetting the power
supply).
A
Model
1: Float switch (S1L) /
short circuit connector
2: Drain pump (M1P)
connector
3: Drain pump (M1P)
voltage
Note
FXFSQ-AR
X15A
X25A
13 VDC
–
FXMQ-PB
X15A
X25A
13 VDC
–
