代碼

275顯示信息

可能的故障

A1

EEPROM Checksum - Core Processor

流量計(jì)需要返修

A2

RAM Error - Core Processor

重新上電/流量計(jì)需要返修

A3

Sensor failure

檢查測試點(diǎn)

A4

Temperature out of range

檢查測試點(diǎn)

A5

Input over range

檢查測試點(diǎn)

A6

Field device not characterizeded

檢查特性化. 特別要檢查FCF和K1值

A7

Real time interrupt failure

流量計(jì)需要返修

A8

Density outside limits

檢查測試點(diǎn)

A9

Field device warming up

流量計(jì)預(yù)熱

A10

Calibration failed

重新上電， 然后重新標(biāo)定

A11

Excess calibration correction, zero too low

重新上電， 然后重新調(diào)零

A12

Excess calibration correction, zero too high

重新上電， 然后重新調(diào)零

A13

Process too noisy to perform auto zero

消除或降低干擾， 重新調(diào)零

A14

Electronics failure

變送器需要返修

A15

Data loss possible

重新上電，檢查組態(tài)數(shù)據(jù)

A16

Line RTD Overrange

檢查測試點(diǎn)

A17

Case RTD Overrange

檢查測試點(diǎn)

A18

EEPROM Checksum － 1000/2000

變送器需要返修