Daikin VRV IV-S RXTQ-TAVJU Series Service Manual page 151

SiUS331604E
Note:
Service Diagnosis
A
The drain
pump works when
the power supply is reset for
the indoor unit.
NO
The
voltage of
drain pump
terminals (∗2) is 208-
230 V (within 5 minutes of
resetting the power
supply).
YES
∗1: Float switch (S1L) / short
Model
circuit connector
FXFQ-T
FXFQ-P
FXZQ
FXUQ
FXEQ
FXDQ
FXMQ-PB
FXMQ-M
FXAQ
YES
NO
∗2: Drain pump (M1P)
X15A
X15A
X8A
X15A
X15A
X8A
X15A
X8A
X15A
Troubleshooting by Error Code
Check the drain piping for
clogging or upward slope, etc.
Replace the indoor unit main
PCB (A1P).
Replace the drain pump or
check for dirt, etc.
connector
X10A
X25A
X25A
X25A
X25A
X25A
X25A
– Option
– Option
Note
–
–
–
–
–
–
–
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