Daikin VRVII Manual page 121

Troubleshooting
Caution
Is
the stop valve
open?
Obstacle
exists around the air
outlet.
Is
the power
supply voltage
normal?
Is the
magnetic switch
normal?
Check the wiring from power supply ~ current
sensor ~ MgS ~ compressor
Is above
wiring correct?
Is
current
sensor correct?
116
Troubleshooting by Indication on the Remote Controller
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
NO
YES
YES
NO
NO
YES
NO
YES
NO
YES
NO
YES
Open the stop
valve.
Remove the
obstacle.
Correct the
power voltage.
Replace the
magnetic switch.
Correct wiring.
Replace the
corresponding
current sensor.
Replace the
compressor.