ABB ControlMaster CM50 Manual page 25

C O N T R O L M A S T E R C M 3 0 & C M 5 0 | P R O C E S S C O N T R O L L E R S , 1/4 & 1/2 D I N | C I/C M 3 0/ 5 0 - E N R E V. C
Icon Number/ Possible cause
Message
Temporary or permanent failure of analog to
242.004
digital converter on the main I/O board.
ADC 1 Failed
Temporary or permanent failure of analog to
240.005
digital converter on the main I/O board.
ADC 2 Failed
Problem with input assigned to Loop 1 (2) PV.
250.000
Broken sensor leads, defective input source or
(248.001)
input signal out of permitted range.
PV 1 (2) Failed
Problem with Input assigned to Loop 1 (2)
246.002
Remote Setpoint. Broken sensor leads,
(244.003)
defective input source or input signal out of
RSP 1 (2) Failed
permitted range.
222.014 Error in Cold junction measurement associated
(220.015) with AIN1 (AIN3). Wiring fault or defective
CJ 1(2) Failed sensor.
Problem with input assigned to Loop 1 (2)
226.012
disturbance variable. Broken sensor leads,
(224.013)
defective input source or input signal out of
DV 1 (2) Failed
permitted range.
Suggested action
Cycle power to controller.
If problem persists replace main I/O board.
Contact local service organization.
Cycle power to controller.
If problem persists replace main I/O board.
Contact local service organization.
Check wiring.
Check input source.
Check if input signal is outside permitted limits.
Check wiring.
Check input source.
Check if input signal is outside permitted limits.
Check cold junction device is correctly fitted.
Ensure I/P 2(4) is turned off.
Replace CJ sensor.
Check wiring.
Check input source.
Check if input signal is outside permitted limits.
25