SUNX Limited MJE-SF4B01 No.0005-03V
- 82 -
Cause Remedy
Relay contact is
welded.
Replace the relay.
Response time
of the relay is
slow.
Replace the relay with proper response time.
Refer to ‘
3-6 External Device Monitor Function
’.
When
using
safety
relay
Contacting point
‘b’ of the relay is
not wired.
Wire correctly to the relay.
Auxiliary output
wire and exter-
nal device
monitor input
wire are not
wired.
Connect the auxiliary output wire and the external
device monitor input wire.
When
setting
the ex-
ternal
device
monitor
function
to ‘inva-
lid’.
Auxiliary output
is not correctly
operated.
Check if the auxiliary output wire is disconnected or
short-circuited.
[Digital error indicator
㧦
]
External device error
Bottom cap cables are ad-
versely connected between
emitter and receiver.
Check the connecting locations of the bottom cap
cables.
[Digital error indicator: ]
Effect from noise / 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.
Even if the error is not cleared, contact SUNX.
<Digital error indicator
̈ ̉
lights up>
Cause Remedy
Synchronization wire error
Synchronization wire is
short-circuited or discon-
nected.
Connect the synchronization wire properly.
Emitter error
Check the operation of the emitter side.
<Operation indicator remains lit in red (light is not received)>
Cause Remedy
The beam channels are not correctly aligned.
Align the beam channels.
Refer to ‘
2-6 Adjustment
’.
Align the top / bottom direction of the beam channel
between emitter and receiver.
If the device does not work normally after checking the items above, please consult SUNX.
