Table 6-9 Procedure For Accessing Accutune Error Codes - Honeywell UDC2300 Product Manual

Error Codes

Table 6-9 Procedure for Accessing Accutune Error Codes

Step Operation
Select Accutune
1
Set-up Group
Go to Error Code
2
Prompt
Error Code
(Upper Display)
RUN
ACCUTUNE RUNNING
NONE
NO ERRORS OCCURRED
DURING LAST ACCUTUNE
PROCEDURE
IDFL PROCESS IDENTIFICATION
FAILURE
Autotune has aborted
because an illegal value of
GAIN, RATE, or reset was
calculated.
ABRT
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.
Aborting Accutune
To abort Accutune and return to the last previous operation (SP or output level), press
MAN-AUTO/RESET
Completing Accutune
When Accutune is complete, the calculated tuning parameters are stored in their proper
memory location in the controller, and the controller will control at the local setpoint
using the newly calculated tuning constants.
12/00
Press
Upper Display = SET
SET UP
Lower Display = ATUNE
Upper Display = (an error code)
FUNCTION
Lower Display = ATERR
Table 6-10 lists all the error codes, definitions, and fixes.
Table 6-10 Accutune Error Codes
Definition
key to abort the Accutune process.
UDC2300 Controller Product Manual
Result
The Accutune process is still active (Read Only)
None
•
Illegal Values
– try Accutune again.
•
untunable process -- contact service support
representative.
Try Accutune again
Operation
Fix
63