Panasonic SF4C Series Instruction Manual page 74

Troubleshooting
Digital error indicator:
In case of SF4C-F15□,
Error indicator (yellow) blinks 8 times.
Supply voltage error
Digital error indicator:
In case of SF4C-F15□,
Error indicator (yellow) blinks 31 times.
Emitter error
Digital error indicator:
In case of SF4C-F15□,
Error indicator (yellow) blinks more
than 10 times.
Effect from noise or failure of internal
circuit
<Digital error indicator " " lights up (Except SF4C-F15□)>
Synchronization + wire (orange) or synchronization - wire
(orange / black) error.
Synchronization + wire (orange) or synchronization - wire
(orange / black) is short-circuited or disconnected.
Emitter error.
<All beam-axis adjustment indicators (red) light up>
The beam channel with its fixed blanking function set into
valid receives light.
<OSSD indicator remains lit in red (light is not received)>
The beam channels are not correctly aligned.
If the device does not work normally after checking the items above, please consult Panasonic Industrial De-
vices SUNX.
<Reference>
About counting blinks of the error indicator, count blinks from 2 seconds of no blinking.
74
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Cause
Specified voltage is not be-
ing supplied.
Emitter is in lockout state.
Affected by noise.
Internal circuit is broken
down.
Cause
Cause
Cause
Check the wiring status, supply voltage and power supply capac-
ity.
Check a digital error indicator (red) of emitter.
Check the noise status around this device.
When the synchronization + wire (orange) and synchronization -
wire (orange / black) is extended with a cable other than exclusive
2
cable, use a 0.2mm 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.
Connect the synchronization + wire (orange) and synchronization - wire
(orange / black) properly.
Refer to "2-5 Wiring."
Check the operation of the emitter side.
Turn ON the power supply after checking the installation status.
Align the beam channels.
Refer to "2-6 Adjustment."
Align the top / bottom direction of the beam channel between emitter
and receiver.
© Panasonic Industrial Devices SUNX Co., Ltd. 2016
Remedy
Remedy
Remedy
Remedy