Daikin VRVII - Page 56

Troubleshooting by Indication on the Remote Controller
51
YES
NO
The
drain pump
works when the
power supply is reset
for the indoor unit.
The
voltage
of terminals
Y1 and Y2 or
connector is
220~240 V (within 5
minutes of resetting
the power
supply).
Check the drain
piping for
clogging or
upward slope,
etc.
NO
Replace the
indoor unit PCB.
Replace the
drain pump or
check for dirt,
etc.
YES
A