26
External devices (such as electric locks)
do not work.
TROUBLESHOOTING
Check the following before requesting repair.
If a trouble cannot be corrected even after checking and trying remedy, contact your dealer.
Problem
Check item
Remedy
POWER does not light up.
Power may not be supplied to the AC
power cord.
Check if the power is supplied to the
power input connectors.
Check if the screws of the power input
connectors are not loosened.
The power of the control unit or the
power breaker of the external power-
control device may be turned off.
Turn on the power of the control unit or
the external power-control device.
(Refer to p.8.)
The power of the external devices may
be turned off.
Turn on the power of the external
devices.
(Refer to pp.16 to 17.)
The connection between the control unit
and the external devices may be
wrong.
Confirm the connection.
(Refer to pp.16 to 17.)
