Specifications

Section-6 Diagnostics
October 17, 2013
6‐4
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b. Set‐Time(24hourformat)anddate(month,day,year)thatthefaultoccurred.
c. Clear‐Timeanddatethatthefaultwascleared.Ifthefaultisstillactive,theClearfieldwillbe
blank.
d. Name‐Nameanddescriptionofthefault.
TheFa
ultLogiscolorcodedasfollows:
• Grey–InactiveFaults/Warnings
• Yellow–ActiveWarnings
• Red–ActiveFaults
FunctionButtons:
a. ResetLog(LPU)orClearLog(TCU)‐Erasesallinactivefaultsinthelog.
b. ActiveFaults(LPU)orAllActive(TCU)‐Listsonlyactivefaults.
Note
Fault tables in Section 6.5 on page 6-5 give a list of faults for the Maxiva transmitter. They also give a
brief description of each fault, the trip point and the transmitter action taken in response to the fault.
Figure 6-3 on lef
t - All Faults Log Screen on right - Active Faults Log Screen
6.4 MaxivaThree‐StrikeFaultActions
6.4.1 ModuleFaults
Shouldamodulefailureoccur(sayapowerglitch)theLPUwillinitiateathree‐strikeaction.PAmodulesarenot
resetindividually,thuswhenarestrikeiscommandedformtheLPUallPAmoduleswillreceivetherestrikein
attempttoclearthedetectedfailure.
Themodulethr
eestrikepolicyis:
• TheLPUwilltrytorestartthemodulethreetimeswithina15secondwindow.Afterthat,ifafaultisstillpres‐
ent,theLPUwi
llflagthatmoduleasfailedandwillnotattemptanotherautomaticrestrike.
• Thereisa1seconddelaybetweenrestartattempts.
• Thefault‐strikerestartprocessisthesameasthesystemrestartcommand,allofthemodulefaultswillbe
reset.
• Duringthe15secondthree‐strikewindow,anyofthenuisancefaultswillbereportedtotheLPU.
• IssuingamanualsystemONcommandwhilethesystemisintheONstatewillsendamanualrestartcom‐
mandtoal
lmodules,andalsowillresettheLPUthreestrikelogic.Anypreviousmodulesthatwereflaggedas
failedduringthethreestrikeprocesswillbecleared,andwillagainbesubjecttoautomaticrestrikeattempts