Frequently asked questions
What Does a 452 Diagnostic Code Error indicate?
FA342122
22 April 2026
A 452 error indicates the meter had an abnormal power cycle. It does not indicate why the meter had the abnormal power cycle.For most meters with a single abnormal power cycle (ie. an associated 452 error), it is suggested the customer should continue to monitor it. The customer may choose to upgrade the meter to latest firmware, which has improved diagnostics ability for future investigation.
For further issues with the 452 Error please contact your local Tech Support.