Daikin VRV IV-S RXTQ-TAVJU Series Service Manual page 209

SiUS331604E
Troubleshooting
Service Diagnosis
A
Outdoor unit PCB
micro-computer monitor
(HAP) blinks.
YES
Operation ready
NO
lamp (H2P) is
blinking.
YES
Lamp does not go off
for 12 minutes or
more.
NO
Is indoor -
outdoor and outdoor -
outdoor unit transmission
wiring normal?
YES
NO
YES
NO
Troubleshooting by Error Code
Replace the outdoor main
PCB (A1P).
Press and hold the RESET
button on the outdoor unit
PCB for 5 seconds.
Fix the indoor/outdoor or
outdoor/outdoor unit
transmission wiring.
Replace the main PCB (A1P).
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