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17-1 Transmitter Diagnostic information and troubleshooting
17-2 Receiver Diagnostic Information
17-3 Receiver Endcap Indicator Lights
Diagnostics and Troubleshooting
The transmitter has one Yellow LED to show the operational status.
If the yellow LED is off:
1. Verify the cable is connected.
2. Verify the power supply is within limits (+24 V ±20%)
3. If this does not solve the problem, please contact your local Omron distrib-
utor or the European Repair Center.
If the yellow LED is blinking:
1. Verify the power supply is within limits (+24 V ±20%)
2. If this does not solve the problem, please contact your local Omron distrib-
utor or the European Repair Center.
The receiver first segment has a set of LEDs to indicate diagnostic codes. The
LEDs will only indicate fault codes, when in the Fault state. In this state the
yellow INTERLOCK LED will be flashing and a row of 10 LEDs will display the
fault code.
IBI LEDs are turned on to
indicate fault code 34,
which means OSSD 1
shorted to ground.
Interlock LED flashing on
LED Color
GREEN
RED
YELLOW INTERLOCK
AMBER
Next group of 4
LED are on.
4th LED is off
First 3 LED are on.
receiver endcap
Front View of
Receiver showing the
first 8 IBIs.
Information shown
The MS4800 is in the MACHINE RUN state.
The MS4800 is in the MACHINE STOP state.
The light curtain is waiting for the start button to be
pushed. If the LED is blinking, the light curtain is in an
alarm condition.
The light curtain is operating in a Floating Blanking or
Fixed Blanking mode.
SECTION 17
71
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Table of Contents
Troubleshooting
