Troubleshooting
SF4C Safety light curtain
106
Error
Cause
Remedy
[Digital error indicator: ]
Effect from noise/power
supply or failure of internal
circuit
Affected by noise.
The internal circuit is
broken.
Check the noise status of this device. If the error
cannot be solved, contact
our sales office
.
[Digital error indicator: ]
Receiver error
The receiver is in
lockout state.
Check the error indicator (yellow) of the receiver.
6.1.4 Setting Indicator Lights Up
The following problems can cause the digital error indicator to light up:
Error
Cause
Remedy
Synchronization wire
error
Synchronization wire is
short-circuited or disconnected.
Connect the synchronization wire properly.
Receiver error
Check whether the receiver side works properly.
6.1.5 Test
input
Indicator (Orange) Lights Up
Error
Cause
Remedy
Error indicator (yellow)
lights up or blinks.
Check the contents of the digital error indicator.
The test input/reset input
wire (pink) is open when
selecting auto-reset.
Wire the test input/reset input wire (pink) to 0V or
+V "Wiring" on page 34.
The SF4C is in the test input
condition. (Device error or
interlock setting error)
Test input/reset input wire is
connected to +V or 0V at the
time when manual reset is
activated.
Open the test input/reset input "Wiring" on page 34.
6.1.6 Operation
Indicator Remains Lit in Red
When the operation indicator remains lit in red, it means that no light is received.
Cause
Remedy
The beam channels are not correctly aligned.
Align the beam channels properly, especially the top and
bottom ends between emitter and receiver.
Rugghölzli 2
CH - 5453 Busslingen
Tel. +41 (0)56 222 38 18
Fax +41 (0)56 222 10 12
mailbox@sentronic.com
www.sentronic.com
Produkte, Support und Service
SENTRONIC
AG