Daikin RWEYQ28PY1 [238/342] Troubleshooting

Daikin RWEYQ30PY1 [238/342] Troubleshooting
Si30-813 Troubleshooting by Indication on the Remote Controller
Troubleshooting 227
Troubleshooting
Replace K1M.
Repair wiring.
NO
NO
NO
Turn on again.
Replace the outside unit
PC board (A1P).
YES
YES
YES
Turn K1M ON.
YES
NO
Is
220 ~ 240 V of
power reaching the
K1M coil?
Is
220 ~ 240 V
at the connector X1A of
inverter PC
board.
Replace the inverter PC
board.
Replace the inverter PC
board.
YES
NO
NO
Does
the voltage
between terminals
P2(or P3) and N3 gradually
rise to 556 VDC (Y1, YL) or
283 VDC (TL)
after turning
on?
Monitor field power
supply.
Replace the inverter
PC board.
The voltage
between the P2
(or P3) and N3 terminals
is 320 VDC (Y1, YL) or more
and 190 VDC (TL) or less
when the compressor
is running.
Is
connection
wire connected
between the connector
X21A and X6A?
YES
NO
Is
220 ~ 240 V
at the connector X1A of
outside PC board
side?
Check the transmission
wiring between the
outside unit PC board
and inverter unit.
YES
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.

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