Daikin VRVII - Page 265

Troubleshooting by Indication on the Remote Controller
260
Troubleshooting
NO
YES
There is
an open phase
at the power supply
terminal of the
outdoor
(outside)
unit.
Rectify the open
phase.
Requires
inspection of field
power supply
section.
NO
YES
Operation
is normal if one
place of power supply
line phase is
replaced.
Reverse phase
Countermeasure
of the problem is
completed by
phase
replacement.
Replace the
outdoor (outside)
unit PCB.
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.