12.4 Emitter Error Codes
Diagnostic Display
Error Description
Cause of Error and Appropriate Action
Emitter Error
This error can occur either due to
excessive electrical noise or due to
an internal failure.
•
Reset the emitter per
•
If the error clears, perform the daily checkout procedure (per EZ-SCREEN
Checkout Procedures: Shift and Daily Checkout Procedure; Daily Checkout
Card). If the System checks out, resume operation. If the System fails, replace the
emitter
•
If the error continues, check the ground connection (see
•
If the sensor has a good earth ground connection, check for electrical noise (see
(p. 80))
•
If the error persists, replace the emitter
Excessive Noise Error
This error can occur due to
excessive electrical noise.
•
Reset the emitter per .
•
If the error clears, perform the daily checkout procedure (per EZ-SCREEN
Checkout Procedures: Shift and Daily Checkout Procedure; Daily Checkout
Card). If the System checks out, resume operation. If the System fails, replace the
emitter
•
If the error continues, check the ground connection (see
•
If the sensor has a good earth ground connection, check for electrical noise (see
(p. 80))
•
If the error persists, replace the emitter
Emitter LED Problem
This is not an error.
This indication can occur due to a potential problem with an LED and is provided as an
early warning indicator
“Axx”/“cxx”, where
“xx” are alpha-
numeric characters
Advanced Diagnostics for the
purpose of factory troubleshooting
and repair; not intended for field
troubleshooting.
If advanced diagnostic codes are inadvertently displayed, toggle the Invert Display DIP
switch (to the opposite state and back, within 1 second) to return to the standard error
code display
12.5 Receiver Error Codes
Diagnostic Display
Error Description
Cause of Error and Appropriate Action
Output Error
Error is caused by:
•
one or both outputs being shorted to a
power supply (high or low)
•
by shorting OSSD 1 to OSSD 2
•
by an overload (greater than 0.5A)
•
Disconnect the OSSD loads and reset the receiver.
•
If the error clears, the problem is in the OSSD load(s) or in the load
wiring.
•
If the error continues with no load connected, replace the receiver.
Reset Input Error
This error occurs when the Reset switch is closed
(or the wiring is shorted to +24 V) during power-up.
•
Verify that the reset switch is in the open position.
•
Reset the receiver per EZ-SCREEN Checkout Procedures: Shift
and Daily Checkout Procedure.
•
If the error remains, disconnect the reset wire at pin 8; cycle
power.
•
If the error clears, the problem is in the reset switch or in the
wiring.
•
If the error continues when the reset wire is disconnected, replace
the receiver.
Receiver Error
This error can occur due to either excessive
electrical noise or an internal failure.
•
Perform a reset per EZ-SCREEN Checkout Procedures: Shift and
Daily Checkout Procedure.
•
If the error clears, perform a Daily Checkout procedure (per EZ-
SCREEN Checkout Procedures: Shift and Daily Checkout
Procedure; Daily Checkout Card) and if OK, 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 the error continues, replace the receiver.
EZ-SCREEN Low-Profile System with Integral Muting
78
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