Daikin VRVII - Page 201

Troubleshooting by Indication on the Remote Controller
196
Refer to P.354.
YES
NO
Replace the
compressor
inverter PCB and
fan inverter PCB.
Replace the
inverter PCB.
NO
NO
Replace the
compressor and
compressor
inverter PCB at
the same time.
Replace the
inverter PCB.
YES
YES
CHECK 4
Check if the power
transistor of the fan
driver is
normal.
CHECK 4
Check if the power
transistor is
normal.
Check if
insulation
resistance of the
compressor is
100kΩ or
more.
A
CHECK 4