Daikin VRVII - Page 284

Troubleshooting by Indication on the Remote Controller
279
NO
YES
Is 220 ~
240 V of power
reaching the
magnetic contact
switch coil?
Replace the
magnetic contact
switch.
NO
YES
Is 220 ~
240 V at the
connector of inverter
PCB.
Is 220 ~
240 V at the
connector of outdoor
(outside) PCB
side?
Replace the
inverter PCB.
NO
YES
Does
the voltage
between
terminals P2 (or P3)
and N3 gradually rise to
556 VDC (YL) or 283
VDC (TL) after
turning on?
Replace the
inverter PCB.
YES
NO
Replace the
outdoor (outside)
unit PCB.
Check the
transmission
wiring between
the outdoor
(outside) unit
PCB and inverter
unit.
A