Azbil DCP31 - Intermittent self-diagnostics during operation; Alarm code display

9-3
Chapter 9. MAINTENANCE & TROUBLESHOOTING
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Intermittent self-diagnostics during operation

Program error
AnerrorintheprogramsetupdatastoredtobackupRAMhasbeen
detected.
Thecorrespondingalarmcodeisdisplayedwhenthiserroris
detected.

Parameter error
AnerrorintheparametersetupdatastoredtobackupRAMhas
beendetected.
Thecorrespondingalarmcodeisdisplayedwhenthiserroris
detected.

Low battery voltage error
AdropinthebatteryvoltageforbackingupRAMdatahasbeen
detected.
Whenthelowbatteryvoltageerrorisdetected,theredBATLEDon
theconsoleblinks.
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Self-diagnostics only when certain functions are operating

MFB (motor feedback) adjustment error
ThiserrorisdetectedwhenMFBautomaticadjustmentisnotgoing
smoothlyon2Goutputmodels.
Thecorrespondingalarmcodeisdisplayedwhenthiserroris
detected.
Toclearthisalarm,eitherexecuteautomaticadjustmentagainor
turnthepowerOFFthenbackONagain.
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Alarm code display
Whenaninputerrororcontrollererrorisdetectedinthebasic
displaystate,thealarmcodeandregulardisplayaredisplayedalter-
natelyeverysecondontheprogramNo.andsegmentNo.displays.
Thetablebelowshowsalarmcodesandalarmdescriptions.
Whentwoormorealarmsoccuratthesametime,thealarmcodes
aredisplayedfromthesmallestnumberupwardstogetherwiththe
regulardisplay.
However,notethatwhensetupdataC67hasbeensetto“1”,alarm
codesarenotdisplayed.