Table 5-3 Error Messages - Honeywell UDC2300 Product Manual

Diagnostic Error Messages
The 2300 performs background tests to verify data and memory integrity. If there is a
UDC
malfunction, an error message will be displayed. In the case of more than one
simultaneous malfunction, the messages will be displayed sequentially on the lower
display. If any of these error messages in Table 5-3 occur, refer to Section 7 -
Troubleshooting for information to correct the failure.
Prompt
EE FAIL
IN1FL
CNFERR
IN1RNG
PV LIM
FAILSF
High and Low Limit Indication
When the high or low limit is exceeded, the lower display indicates the word "LIMIT"
(blinking). The PV is indicated in the upper display. This will continue until the Out-of-
Limit condition exists and you reset the latching relay using the
or through the Optional External Reset feature.
The Limit Relay cannot be reset while a Limit condition exists.
1/01

Table 5-3 Error Messages

Unable to write to nonvolatile memory.
Two consecutive failures of input 1 integration.
Configuration Errors—Low limit greater than high limit for PV or SP
Input 1 Out-of-Range
Out-of-range criteria:
Linear range: ±10% out-of-range
Characterized range: ±1% out-of-range
PV Out-of-Range
PV = PV + PV bias
Failsafe — conditions for Failsafe are:
... EEROM Test Failed
... Scratch Pad RAM Test Failed
... Configuration Test Failed
Check the "Status" group.
UDC2300 Limit Controller Product Manual
Description
[MAN-AUTO RESET]
Operation
key
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