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OELD Operating Instructions
9 Faults and Warning
9 Faults and Warning
Display Message
Code
Description
Remedial Action
Over Rang
W-01
Over-range warning. The output from
the connected sensor is indicating a
gas reading greater than the full-scale
deflection.
Proceed with extreme caution as there may be
a dangerous level of gas present. If the warning
persists, check the sensor by referring to the sensor
manual. Check the sensor by referring to sensor
manual
bEAm Bloc
W-02* Beam block signal detected
The connected Searchline Excel is indicating that
the there is an obstruction between the transmitter
and receiver or that the signal is being excessively
attenuated. Refer to the Searchline Excel manual
Warn
W-03 Warning level input from the detector
Refer to the sensor manual for further information
and possible causes.
Comm Err
F-01
Internal communication failure
Reset the OELD. If fault still appears, replace the
display module
FLt
F-02
Fault level input from the detector
Refer to the sensor manual for further information.
LooP High
F-03
Input current is too high
The output from the connected sensor is exceeding
the upper input range of the OELD. Check the sensor
by referring to sensor manual
Volt Err
F-04
Supply voltage fault or Internal power
supply fault
Check the input voltage to the OELD. Reset the
OELD. If fault still appears, replace the power module
RAM Err
F-05
RAM read/write fault
Reset the OELD. If fault still appears, replace the
display module
Mem Err
F-06
An internal memory corruption has
been detected
Reset the OELD. If fault still appears, replace the
display module
Code Err
F-07
Code Memory corrupted
Reset the OELD. If fault still appears, replace the
display module
Cert Err
F-08
Device certificate corrupted
Contact the manufacturer
Note
Warning for Beam Block (W-02) is only applicable when the connected sensor type is Searchline Excel.
