© Panasonic Industrial Devices SUNX Co., Ltd. 2014
88
Troubleshooting
Cause
Remedy
[Blinks 7 times]
External device error
W h e n u s i n g
safety relay
Relay contact is
welded.
Replace the relay.
Response time of
the relay is slow.
Replace the relay with proper response time.
Setting by the handy controller (
SFB-HC
) (op-
tional) is also possible.
Refer to “
3-5 External Device Monitor Function
.”
Contacting point “b”
of the relay is not
wired.
Wire correctly to the relay.
When setting the
external device
monitor function
to “invalid.”
A u x i l i a r y o u t p u t
wire (yellow-green
/ black) and exter-
nal device monitor
input wire (yellow-
g r e e n ) a r e n o t
wired.
Connect the auxiliary output wire (yellow-green /
black) and the external device monitor input wire
(yellow-green).
Set the external device monitor function to “invalid”
using the handy controller (
SFB-HC
) (optional).
Auxiliary output is not
correctly operated.
Check if the auxiliary output wire (yellow-green /
black) is disconnected or short-circuited.
Reset to factory default (mode 0) by the handy
controller (
SFB-HC
) (optional).
[Blinks 10 times or more]
E f f e c t f r o m n o i s e /
power supply or failure
of internal circuit
Affected by noise / power supply.
Internal circuit is broken down.
Check the noise status around this device.
Check the wiring status, supply voltage, and
power supply capacity.
When the synchroni wire (orange) and
synchronization - wire (orange / black) is extend-
ed with a cable other than exclusive cable, use a
0.2mm
2
or more shielded twisted pair cable.
If this device still does not work, confirm number
of blinks of the error indicator and call to our local
office.
<All beam-axis adjustment indicators (red) light up>
Cause
Remedy
The beam channel with its fixed blanking function set into
valid receives light.
Turn ON the power supply after checking the in-
stallation status.
<Operation indicator remains lit in red (light is not received)>
Cause
Remedy
The beam channels are not correctly aligned.
The beam channels are not correctly aligned.
Refer to “
2-6 Adjustment
.”
Align the top / bottom direction of the beam chan-
nel between emitter and receiver.
Synchroni wire (orange) or synchronization - wire
(orange / black) error.
Synchroni wire (orange) or synchronization - wire
(orange / black) comes down or short-circuits.
Connect synchroni wire (orange) or syn-
chroni wire (orange / black) properly.
Refer to “
2-5 Wiring
.”
If the device does not work normally after checking the items above, please consult Panasonic
Industrial Devices SUNX.
<Reference>
About counting blinks of the error indicator, count blinks from 2 seconds of no blinking.
Ramco National
800-280-6933 | nsales@ramcoi.com
www.panasonicsensors.com
