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© Panasonic Industrial Devices SUNX Co., Ltd. 2016
English
●
Troubleshooting of receiver
Symptom
Cause
Remedy
All indicators are off.
Power is not being supplied.
Check that the power supply capacity is sufficient.
Connect the power supply correctly.
Supply voltage is out of the
specified range.
Provide the supply voltage within the specified
range.
Connector is not connected
securely.
Connect the connector securely.
Fault indicator (yellow)
lights or blinks.
[Digital error indicator: ]
Number of total units / number
of total beam channels error
Connect the end cap properly. Connect the cable
for series connection correctly.
Check the model (emitter / receiver) of sub sensor
exclusive for series connection.
Set the same value to the numbers of emitter and
receiver.
[Digital error indicator: ]
Control output (OSSD 1 / 2)
error
Connect the control output (OSSD 1 / 2) wire cor-
rectly.
Check the type of the bottom connector.
Cable of the receiver: Grey (with black stripe)
[Digital error indicator: ]
Extraneous light error
Prevent any extraneous light from entering the re-
ceiver.
[Digital error indicator: ]
External device monitor error
Connect the external device monitor input wire cor-
rectly.
Replace the relay unit.
Replace the relay unit having appropriate response
time.
[Other than the above]
Effect from noise / power sup-
ply or failure of internal circuit
Check the noise status around this device.
Check the wiring, supplied voltage and power sup-
ply capacity.
When the synchronization cable is extended with a
cable other than exclusive cable, use a 0.2mm
2
or
more shielded twisted pare cable.
Even if the error is not eliminated, contact Pana-
sonic Industrial Devices SUNX.
Stable indicator (Orange)
lights up
The beam channels of the
emitter and the receiver are
not correctly aligned.
Align the beam channels.
OSSD indicator remains
lit in red (light is not re-
ceived).
The beam channels of the
emitter and the receiver are
not correctly aligned.
Align the beam channels.
Number of total units / number
of total beam channels error
Set the same value to the numbers of emitter and
receiver.
The master and slave settings
are different. (Beam synchro-
nization using 4-core cable)
Set the setting identically.
About counting blinks of the error indicator, count blinks from 2 seconds of no blinking.
<Reference>
Summary of Contents for SF2B Series
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