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