Daikin RXYQ-TA Series Service Manual page 280

Troubleshooting by Error Code
267
A
Does the
microcomputer
normal monitor
indication lamp (HAP) on
the outdoor unit
PCB blink?
YES
Does the
seven-segment
display show (1) or (2)?
(∗1)
YES
The
lamp does not turn
OFF for a period of 12
minutes or more.
NO
Are the
indoor-outdoor
and outdoor-outdoor
transmission wirings
normal?
YES
Disconnect
the outdoor-outdoor
transmission wiring.
Does the system normally
operate with a single
transmission
line?
YES
Is voltage
between L1 and N
NO
terminals of the outdoor
unit PCB 380 to
415 V?
YES
Fuse on
NO
the outdoor unit PCB
has blown out.
NO
YES
NO
NO
SiUS341615E
Correct the voltage (230 V).
∗1 :OFF
:ON :BLINK
NO
(1)
SEG1 SEG2 SEG3
(2)
YES
Replace the fuse.
Replace the outdoor unit
PCB.
Press and hold BS3 on the
outdoor unit main PCB (A1P)
for a period of 5 seconds or
more.
Modify the transmission
wirings.
Replace the outdoor unit main
PCB (A1P).
Mount the DIII-NET extension
adaptor.
Service Diagnosis