2RV/2RW/2RX/2RY/3RA-3
7-74
C0510: High voltage remote control error
Only the high voltage PWB remote signal turns on while the drum unit is not driven.
C0530: Backup task error
The backup task does not operate for 30s or more.
C0540: Engine firmware unexpected control detection
The solenoid turns on over the certain time.
2 Checking the main/engine
PWB
The connector is not con-
nected properly or the wire
or main/engine PWB is
faulty.
Reconnect the connector of
the main/engine PWB. If the
wire is pinched or scratched,
repair or replace it. If not
repaired, replace the main/
engine PWB.
Step Check description Assumed cause Measures Reference
1 Resetting the main power The main/engine PWB
does not correctly operate.
Turn off the power switch and
unplug the power cord. After
5s passes, reconnect the
power cord and turn on the
power switch.
2 Checking the main/engine
PWB
The connector and FFC
are not connected properly
or the wire, FFC or PWB is
faulty.
Reconnect the connector of
the main/engine PWB. If the
wire is pinched or scratched,
repair or replace it. If not
repaired, replace the main/
engine PWB.
Step Check description Assumed cause Measures Reference
1 Resetting the main power The main/engine PWB
does not correctly operate.
Turn off the power switch and
unplug the power cord. After
5s passes, reconnect the
power cord and turn on the
power switch.
2 Checking the main/engine
PWB
The connector is not con-
nected properly or the wire
or main/engine PWB is
faulty.
Reconnect the connector of
the main/engine PWB. If the
wire is pinched or scratched,
repair or replace it. If not
repaired, replace the main/
engine PWB.
Step Check description Assumed cause Measures Reference
1 Resetting the main power The main/engine PWB
does not correctly operate.
Turn off the power switch and
unplug the power cord. After
5s passes, reconnect the
power cord and turn on the
power switch.
Step Check description Assumed cause Measures Reference