8 | Maintenance
168
D-R 290
Se
qu.
no.
Message Cause;
(●) available actions by whom
[016] Initial LED comparison being
performed
The system is performing an initial LED comparison
(initiated by a Service Engineer)
● No action necessary
[017] Initial reference measurement
being performed
The system is performing an initial reference meas
urement (initiated by a Service Engineer)
● No action necessary
[018] Calibration of dust-free meas
uring path being performed
The system is in dust-free measuring path calibra
tion mode
● No action necessary
[019] Offset measurement being
performed
The system is performing an offset measurement
(initiated by a Service Engineer)
● No action necessary
[020] Device is performing a fail-safe
shutter test [020]
The system is testing the fail-safe shutter 1
● No action necessary
[021] Device is performing a fail-safe
shutter test
The system is testing the fail-safe shutter 2
● No action necessary
[022] Simulation / function test being
performed
System is in simulation mode
● No action necessary
[023] Device is in maintenance
mode
System is in maintenance mode
● No action necessary
[024] Device outputting PLCF The device is outputting the scaled stack factor
(PLCF).
(for devices according to the US EPA)
● No action necessary
Table 8.2: List of messages for D‑R 290
Se
qu.
no.
Warning Cause;
(●) available actions by whom
[064] Measured value 1:
Upper limit value 1 active
The upper limit value 1 of measurement channel 1
has been exceeded
[065] Measured value 1:
Lower limit value 1 active
The lower limit value 1 of measurement channel 1
has been undershot.
[066] Measured value 1:
Upper limit value 2 active
The upper limit value 2 of measurement channel 1
has been exceeded
[067] Measured value 1:
Lower limit value 2 active
The lower limit value 2 of measurement channel 1
has been undershot.
[068] Measured value 2:
Upper limit value 1 active
The upper limit value 1 of measurement channel 2
has been exceeded
[069] Measured value 2:
Lower limit value 1 active
The lower limit value 1 of measurement channel 2
has been undershot.
[070] Measured value 2:
Upper limit value 2 active
The upper limit value 2 of measurement channel 2
has been exceeded
[071] Measured value 2:
Lower limit value 2 active
The lower limit value 2 of measurement channel 2
has been undershot.
[072] Measured value 3:
Upper limit value 1 active
The upper limit value 1 of measurement channel 3
has been exceeded
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