Specifications

Troubleshooting by Indication on the Remote Controller Si38-606
158 Troubleshooting
Troubleshooting
(V2815)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
The
transmission
wiring between the
outdoor unit PC board,
fan drive board and
inverter unit is
disconnected.
YES
Fix the disconnection and turn on
again.
Connect transmission wiring and
turn on again.
NO
YES
The
microcomputer
monitor (green) on
the inverter PC board
is blinking.
The voltage
between red and
white of X1A on the inverter
unit is 220 ~ 240 V.
YES
Defect of outdoor main PC board
or defect of inverter PC board.
Check the noise filter (Z1F) for
disconnection, and check the
power supply wiring or the inverter
PC board.
Replace inverter PC board.
When the LC malfunction occur
again, replace control PC board.
YES
The
microcomputer
monitor (green) on
fan drive board is
blinking.
NO
Check connection of the connector.
NO
NO
YES
NO
Are the
connectors
between the main
PC board (A1P),
fan drive PC board (A3P)
and inverter PC board
(A2P) connected
securely?