Everfine PF9804 - Chapter 7 Failure and Resolution; Common Failures and Troubleshooting

PF9800SeriesUser'sManual
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Chapter7CommonFailuresandResolution
7.1Commonfailuresandshooting
Serial
number
Phenomenon Solutions
1
The instrument window
display nothing after
operation.
(1)Ensure the instrument power line connected
correctly.
(2)Ensurethatthepowersupplyisintheallowed
range.
2
The measured value of
displayisnotaccurate.
(1)Ensurethattheworkingenvironmenttemperature
andhumidityisintheallowedrange.
(2)Ensurethatthedisplayisnotaffectedbynoise
interference.
(3)Checkthetestlineconnectedcorrectlyornot.
(4)Checktheconnectionmodesettingscorrector
not.
(5)Checkthedatedisplayedinthelockornot.
(6)reboot.
3 Thekeyoperationisinvalid (1)Checkthereareotherkeysdiedornot.
4
Harmonicmeasurementis
irregular.
(1)Checkvoltageandcurrentsignalsaregreaterthan
therangeof30%ornot.
5 Communicationisfail.
(1)Check whether the communication line is
connectedproperlyornot.
(2)Checktheinstrumentaddressandcommunication
modearecorrespondingtothecomputerornot.
Pleaseseethenotesineachchapterforothercasesformoredetails.