
Diagnostic
Display
11
Error Description
Cause of Error and Appropriate Action
Receiver Error
This error can occur due to
either excessive electrical noise
or an internal failure.
This error can also occur when
the remote fixed blanking RUN/
PROGRAM switch is in the
PROGRAM position during
power-up.
• Cycle power,
• If the error clears, perform a Daily Checkout procedure (per
EZ-SCREEN Checkout Procedures: Shift and Daily Checkout
Procedure; Daily Checkout Card) and if the System checks
out, resume operation. If the System fails the Daily Checkout
procedure, replace the receiver.
• If the error continues, check the ground connection (pin 7).
• If the sensor has a good earth ground connection to pin 7,
perform the Initial Checkout procedure (per
• If the error clears, check the external connections and
configuration settings.
• If remote fixed blanking is used, ensure RUN/PROGRAM is in
the RUN position and cycle power.
• If the error continues, replace the receiver.
Receiver Error
This error can be caused by
intermittent connections
between cascaded receivers or
excessive electrical noise.
• Verify the cordset connections between the cascaded
receivers.
• If the error continues, replace the cordset(s).
• If the error still continues, replace the receiver with the error
code.
EDM Error
This error can occur when the
EDM input is open at power up
or if the signal fails to respond
within 250 ms of the OSSDs
changing state (On to Off).
• Verify that the EDM wiring is correct and that the external
devices meet the requirements described in
Control Elements and EDM Input
on page 52
• If the error continues, remove power to the guarded machine,
disconnect the OSSD loads, disconnect the EDM input
signals, configure EDM for No Monitoring (per
Primary Control Elements and EDM Input
on page 52) and
conduct the Initial Checkout procedure
• If the error clears, the problem is in the External Device
contacts or wiring, or is a response-time problem of the
external devices. Verify that the EDM wiring is correct and that
the external devices meet the requirements described in
Machine Primary Control Elements and EDM Input
• If the error continues, check for noise on the EDM inputs (see
on page 67)
Fixed Blanking Error
This error occurs when beam(s)
that have been blanked
(programmed to ignore a fixed
object) become clear when the
object is removed or moved.
• Reposition the object and cycle power.
• Re-program (teach) the fixed blanked object(s), see
Fixed Blanking Programming Procedures
Programming Timeout Error
This error occurs when the
Fixed Blanking programming
mode (teach) exceeds the ten-
minute limit.
• Re-program (teach) the fixed blanked object(s), see
Fixed Blanking Programming Procedures
Cascade Error
This error occurs when a
cascade receiver is not
terminated properly or if the
EDM wiring to a cascade
receiver is not terminated
properly.
• Verify that the last receiver in the cascade is terminated
• Verify that the EDM wiring is correct (see error code 8).
• Verify the cordset connections between cascaded receivers.
• If the error continues, replace the receiver.
Note: In a cascaded System, all receivers are
connected together, and all emitters are connected
together.
11
Multiple-digit codes are sequential, followed by a pause.
EZ-SCREEN
®
LS Safety Light Screen
66
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