Azbil VDC User Manual

Azbil Corporation Operation using the data setting device
Model MTG11A/18A, MTG11B/18B, MTG14C 5-77
5-8 : Description of Error Messages
Introduction
Errors are classified into critical failure and non-critical failure.
Critical failure
Critical failure may obstruct the electromagnetic flowmeter operation, if not corrected,
ultimately damage the flowmeter. When critical failure occurs during operation, an
error message will appear on the converter’s display and the electromagnetic
flowmeter will continue to output the preset value in the abnormality treatment
(failsafe) direction. The error message and the self-diagnostic results will be visible on
the display.
Perform the proper correction measures, referring to the actions below.
Error code of serious trouble
Error
code
Error content Action LCD display
Err-02 CPU (ROM, RAM)
CHECK SUM
ERROR
1. Restore power.
2. Replace ROM.
3. Replace main P/C.
Err-04 NVM
READ AFTER
WRITE ERROR
1. Restore power.
2. Replace main P/C.
Err - 02
CPU CHECK
ERROR
Err - 04
NVM CHECK
ERROR
CM2-MTG300-2001.book 77 ページ ２０１５年９月２９日 火曜日 午前１０時１４分

Azbil VDC Specifications

General

Brand	Azbil
Model	VDC
Category	Measuring Instruments
Language	English