Monitoring and Operating the Controller
4.10.6 Error Codes
Table 4-15 Procedure for Accessing Accutune Error Codes
Step Operation Press Result
1
Select Accutune
Set-up Group
SetupSetup
Upper Display = SETUP
Lower Display = ACCUTUNE
2
Go to Error Code
Prompt
Function
FunctionFunction
Upper Display = (an error code)
Lower Display = AT ERROR
Table 4-16 lists all the error codes, definitions, and
fixes.
Table 4-16 Accutune Error Codes
Error Code
(Upper Display)
Definition
Fix
RUNNING
ACCUTUNE RUNNING
The Accutune process is still active (Read Only)
NONE
NO ERRORS OCCURRED
DURING LAST ACCUTUNE
PROCEDURE
None
ID FAIL
PROCESS IDENTIFICATION
FAILURE
Autotune has aborted
because an illegal value of
GAIN, RATE, or reset was
calculated.
• Illegal Values
– try Accutune again.
• untunable process -- contact local application
engineer.
ABORT
CURRENT ACCUTUNE
PROCESS ABORTED
caused by the following
conditions:
a. Operator changed to
Manual mode
b. Digital Input detected
c. In Heat region of output
and a Cool output calculated
or vice versa.
Try Accutune again
SP2
LSP2 not enabled or LSP1 or
LSP2 not in use (only applies
to Duplex Tuning)
Enable LSP2 and configure the desired LSP1 and
LSP2 setpoints. See Section 4.10.
Aborting Accutune
To abort Accutune and return to the last previous operation (SP or output level), press
MAN-AUTO key to abort the Accutune process or increment from the “DO SLOW” or
“DO FAST” prompt to the “TUNE OFF” prompt.
12/04 UDC3200 Universal Digital Controller Product Manual 115
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