Honeywell UDC 3300 manual lists the Accutune error prompts and their definitions

Error prompt

Upper Display

Prompt

Table 5-39 lists the Accutune error prompts and their definitions.

Table 5-39 Accutune* Error Prompt Definitions

Prompt Definition Action to Take

NONE

OUTLIM

No errors

SP Adapt step is greater than high output limit or less than low output limit

Output step insufficient to get to SP value

None

•Check the output limits under Control Set Up group function prompts OUTHiLIM and OUTLoLIM in Section 3 – Configuration.

•Verify the Process Gain Value, function prompt KPG or KPG 2.

IDFAIL

ABORT

(Only error code

available for TUNE)

LOW PV

RUNING

Process Identification Failure

An illegal value of gain, rate, or reset was calculated.

•Manual abort has occurred

–Accutune will abort if the

MANUAL/AUTO key is pressed

during tuning

•Digital input detected

•Automatic abort has occurred

–Accutune will automatically abort when a PV oscillation has been detected during SP adapt, whenever any SP values are changed during a PV adapt tune, or when Accutune is disabled.

PV not changed sufficiently or the PV has increased by more than 4 % and dead time not determined.

Informational prompt indicating that SP tune is still active checking process gain even though T is not lit. It does not affect the keyboard operation.

Try to SP tune again. Insure the process is at line-out prior to initiation of SP tune.

Try to TUNE or SP tune again.

NONE— After a period of about five minutes, the SP adaptive tuning will be retried automatically with a larger output step.

NONE

*Does not apply to PV Adapt.

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