代码

275显示信息

可能的故障

A1

EEPROM Checksum - Core Processor

流量计需要返修

A2

RAM Error - Core Processor

重新上电/流量计需要返修

A3

Sensor failure

检查测试点

A4

Temperature out of range

检查测试点

A5

Input over range

检查测试点

A6

Field device not characterizeded

检查特性化. 特别要检查FCF和K1值

A7

Real time interrupt failure

流量计需要返修

A8

Density outside limits

检查测试点

A9

Field device warming up

流量计预热

A10

Calibration failed

重新上电， 然后重新标定

A11

Excess calibration correction, zero too low

重新上电， 然后重新调零

A12

Excess calibration correction, zero too high

重新上电， 然后重新调零

A13

Process too noisy to perform auto zero

消除或降低干扰， 重新调零

A14

Electronics failure

变送器需要返修

A15

Data loss possible

重新上电，检查组态数据

A16

Line RTD Overrange

检查测试点

A17

Case RTD Overrange

检查测试点

A18

EEPROM Checksum － 1000/2000

变送器需要返修