Daikin R30NUV1 - 3.107 UF Transmission Error between Indoor and Outdoor Unit; Piping and Wiring Mismatch; Refrigerant Shortage

Troubleshooting by Remote Controller Si20-701_B
443
YES
NO
Replace the
centralized
controller.
Centralized
controller:
Normal
It is supposed
that the error
results from
external factors
(e.g. noises) from
other equipment.
D
Is the
voltage
between the
terminals F1 (+) and
F2 (-) in the range
of 15.2 to
17.6 VDC?
Disconnect the
transmission wiring of the
master unit centralized
controller, and then check
the voltage between the
transmission terminals (F1
and F2) of the master unit
transmission equipment
using a multiple meter.