ControlMaster CM30 and CM50
Universal process controllers,
1
/4 and
1
/2 DIN 7 Advanced Level
62 IM/CM/ED–EN Rev. B
070.040
(066.041)
Tuner 1 (2) Abort
Autotune has been aborted by the user.
078.038
(074.039)
Adaptive
1
(2)
Warn
Parameters calculated by adaptive control have
changed by more than the permitted amounts.
Check process for issues that may have
caused a large change in its dynamics, for
example, a blocked valve.
Reset adaptive control.
Perform a fresh autotune.
086.036
(082.037)
Oscillation 1 (2)
Abnormal oscillations in the control loop.
Check process.
Perform new manual or Autotune.
094.034
(090.035)
Valve 1 (2) Sticking
Motorized valve travel time is significantly
slower than configured time.
Check valve to identify reason for sticking.
Check correct travel time is entered in
configuration.
168.026 (166.027)
(164.028)
Tuner 1 Phase 1..3
Autotune is in progress. See page 19 for details
of each phase.
Autotune can be aborted if required by
selecting Manual control mode.
160.030
(158.031)
156.032)
Tuner 2 Phase 1..3
Autotune is in progress. See page 19 for details
of each phase.
Autotune can be aborted if required by
selecting Manual control mode.
162.029
(154.033)
Tuner 1 (2) Pass
Autotune has completed successfully and
calculated new control parameters.
Acknowledge diagnostic message.
178.025
In Configuration
The device is currently in the configuration
mode.
This is for use with remote access via digital
communications.
Icon
Number /
Message
Possible Cause Suggested Action
Table 7.1 Diagnostic Messages (Continued)
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