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5
Drifts- og fejldisplays
MCM10
15
5 Drifts- og fejldisplays
Der er 4 muligheder for at vise driftstilstand eller fejl:
Kedlernes displays
Fjerndisplay
via LEDs på modulet MCM10
via betjeningsenheden RC35.
5.1 Kedlernes displays
Informationer om kedlernes drifts- og fejlvisninger kan fin-
des i dokumentationen til kedlerne.
5.2 Fjerndisplay
Der kan f.eks. sluttes en fejllampe til den potentialfri fejl-
kontakt (Æ kapitel 3.2.3, side 13). Fjerndisplayet fungerer
også via en LED på MCM10 (Æ tab. 10).
5.3 LEDer på modul MCM10
Grundlæggende kan der skelnes mellem 3 forskellige til-
stande for hele anlægget:
Konfiguration (ved første opstart eller efter reset)
•Normal drift
Fejl.
Afhængigt af det samlede anlægs tilstand giver LEDs på
modulet MCM10 (Æ fig. 13). Anvisninger om drifts- eller
fejltilstanden for de enkelte komponenter og mulig målret-
tet fejlsøgning (Æ tab. 10).
Fig. 13 Drifts- og fejlvisning via LEDs
1 grøn Netspænding
2 grøn Varmekredspumpe (sekundær kreds)
3 rød Omskifterkontakt til fjerndisplay 230 V AC
4 grøn Kommunikation mellem MCM10er
5 grøn Kedel 1
6 grøn Kedel 2
7 grøn Kedel 3
8 grøn Kedel 4
6 720 616 691-03.1T
D
1
2
3
4
5 6 7 8
LED Off On Blinker
Nr. Diagnose Afhjælpning Diagnose Afhjælpning Diagnose Afhjælpning
1 Fejl: Ingen netspæn-
ding forefindes.
Kontrollér strømforsy-
ningen.
Udskift modulet
MCM10.
Drift: Normal drift.
2 Drift: Pumpe off Drift: Pumpe on
Fejl: Pumpen kører
ikke, selv om LED
lyser, da sikringen til
pumpens udgang er
defekt.
Udskift sikringen
(Æ kapitel 5.5 ,
side 17).
Tab. 10 Drifts- og fejldisplays
15


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