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Troubleshooting
© Panasonic Industrial Devices SUNX Co., Ltd. 2016
138
Cause
Remedy
[“ ” lights]
Synchronization error
Line synchroni-
zation
Synchronization
+ wire (orange) or
synchronization -
wire (orange / black)
is shorted or broken.
Make sure that the synchroni wire (or-
ange) and synchronization - wire (orange / black)
are connected correctly.
The emitter has
generated an error. Check the operation of the emitter.
O p t i c a l s y n
-
chronization
The beam axis
of the top end
or bottom end
is not received.
Make sure the beam axis of either the top end or
bottom end is received.
Synchronization
wires are connect-
ed using 8-core or
12-core cables.
For optical synchronization, use 5-core cables.
[“ ” blinks]
Emitter error
Emitter is in lockout state.
Check a digital indicator (yellow) of emitter.
[“ ” blinks]
Effects of noise or power
supply, or internal circuit
failure.
The device is affected by noise
or the power supply.
An internal circuit has failed.
Check the noise environment of the device.
Check the connections, supply voltage, and power
supply capacity, and check for scattered light.
If you are extending the synchroni wire
(orange) and synchronization - wire (orange /
black) using a cable other than the special-use
cable, use a 0.2mm
2
or more twisted pair cable.
If the problem persists, check the number that is blink-
ing in the digital indicator (yellow) and contact our office.
[“ ” blinks]
Synchronization error
The other receiver connected in
series is locked out.
Check the digital indicator (yellow) of the other re-
ceiver connected in series.
<Upper application indicator and lower application indicator light blue, and OSSD indicator lights red>
Cause
Remedy
Beam received with fixed blanking function valid
Check installation conditions and turn the power
OFF then ON.
When the floating blanking function is valid, the blocked
beam is lower than the lowest beam.
<Interlock indicator lights yellow>
Cause
Remedy
The control output (OSSD 1 / 2) has been turned OFF by in
-
terlock.
Perform a reset [Open test / reset input wire (pink)
→ Short to 0V or +V → Open].
If the interlock function is not needed, open the in-
terlock setting input wire (pale purple), and isolate.
<Upper application indicator and lower application indicator light red or are OFF>
Cause
Remedy
Beam axes not aligned.
Perform beam axis adjustment.
Align the upper and lower directions between the
emitter and receiver.
Synchroni wire (orange) or synchronization - wire
(orange / black) error.
Synchroni wire (orange) or synchronization - wire
(orange / black) has shorted or is broken.
Correctly connect the synchroni wire (or-
ange) and synchronization - wire (orange / black).
Take action as indicated in the troubleshooting for the emitter and receiver. If the problem per-
sists, contact our office.
Содержание WUME-SF4D-2
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