Daikin RXYQ96PYDN Service Manual page 381

Troubleshooting by Indication on the Remote Controller
Troubleshooting
∗1 One of the possible factors may be chattering due to rough MgS contact.
Note:
∗2 Abnormal case
366
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Is the stop valve open?
YES
Obstacle
exists around the air
outlet.
NO
Is the power
supply voltage
normal?
YES
Is the
magnetic switch
(K2M, K3M) normal?
(∗1)
YES
Check the wiring from power supply ~ current sensor (A6P, A7P) ~
MgS (K2M, K3M) ~ compressor
Is
above wiring
correct?
YES
Is
current sensor
correct? ∗1
YES
The current sensor value is 0 during STD compressor operation.
The current sensor value is more than 15.0A during STD compressor stop.
NO
YES
NO
NO
NO
NO
SiUS34-801A_b
Open the stop valve.
Remove the obstacle.
Correct the power voltage.
Replace the magnetic
switch.
Correct wiring.
Replace the corresponding
current sensor
(A6P or A7P).
Replace compressor.
(V3051)
Troubleshooting