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CONTROLMASTER CM15 | UNIVERSAL PROCESS INDICATOR, DIN | CI/CM15-EN REV. A
…8 Diagnostics messages
Icon Number/
Message
Possible cause Suggested action
Broken sensor leads, defective input source or
input signal out of permitted range.
Check wiring.
Check input source.
Check if input signal is outside permitted limits.
Broken sensor leads, defective input source or
input signal out of permitted range.
Check wiring.
Check input source.
Check if input signal is outside permitted limits.
Error in cold junction measurement associated
sensor.
Check cold junction device is correctly fitted.
Replace CJ sensor.
Error in cold junction measurement associated
sensor.
Check cold junction device is correctly fitted.
Replace CJ sensor.
NV Error
Proc Bd
Failure of non-volatile memory on processor
display board or permanent corruption of its
data.
Check all configuration parameters and correct any errors.
Acknowledge error.
If problem persists contact local service organization.
NV Error
Main Bd
Failure of non-volatile memory on main board or
permanent corruption of its data.
Recalibrate if necessary.
Acknowledge error.
If problem persists contact local service organization.
NV Error
or permanent corruption of its data.
Recalibrate If necessary.
Acknowledge error.
If problem persists contact local service organization.
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