ControlMaster CM10, CM30 and CM50
Universal process controllers,
1
/
8
,
1
/
4
and
1
/
2
DIN
7 Advanced Level
98
IM/CM/S–EN Rev. R
208.020
NV Error
Comm Bd
Failure of non-volatile memory on communications
board or permanent corruption of its data.
Acknowledge error. Check communications board is
correctly identified by device.
If problem persists contact local service organization.
206.021
NV Error
SW Key 1
Failure of non-volatile memory on Software key 1 or
permanent corruption of its data.
Acknowledge error. Check software key functionality is
enabled.
If problem persists contact local service organization.
Config Error
The configuration contains a source that is no longer
present or valid.
Check invalid sources in Diagnostics menu –
see Section 7.9, page 94.
Check configuration, check I/O required for configuration
is present and correct any illegal use of the invalid signal
by changing configuration or fitting additional option
cards.
054.044
(052.045)
Tune Lp1 (2) Fail
Autotune has failed to complete its sequence or has
calculated values outside of its permitted range.
Check process response. Consider if Autotune dynamic
setting should be changed. Ensure process is stable and
repeat autotune.
If problem persists tune the loop manually.
062.042
(058.043)
Tune Lp1 (2) Noise
Autotune has failed due to excessive process or
measurement noise.
Check input wiring. Ensure process is stable and repeat
Autotune.
If problem persists, tune the loop manually.
Icon
Number /
Message
Possible Cause
Suggested Action
Table 7.1 Diagnostic Messages (Continued)