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A8
Storing
Vorstvrij element wordt te warm
Demonteer filters, front en
metalen afdichtfront
Werking klep
vorstvrij element OK?
(controleer met P76)
Ja
Controleer de volgende zaken:
- instelling ventilatoren (te laag?)
- toevoerventielen (te ver dicht?)
- Leidingsysteem toevoer (blokkades?)
Nee
Zie A5 / A6 storing
vanaf blok
‘Activeer de zelftest’
A7
Storing
vorstvrij element verwarmt niet
(voldoende)
Verwijder de spanning.
Demonteer
filters, front en
metalen afdichtfront
Trek de stekker
van het vorstvrij element
van de print
Is de weerstand
op de stekker van
het vorstvrij element
> 300 ohm?
Ja
Demonteer de wisselaar
(en schuimdeel bypass bij een
WHR rechts)
en het vorstvrij element
Weerstand
op kabel vorstvrij element
oneindig?
Ja
Zekering defect
Vervang kabel
Nee
Is de weerstand
of T1 OK?
Nee
Ja
Vervang de
temperatuurvoeler T1
Vervang de print
Nee
Controleer de weerstand van de
kabel en controleer de
verbindingen met
het vorstvrij element
LET OP!
Raak de print , het
vorstvrij element en de
naverwarmer niet aan
vanwege onder spanning
staande delen.
LET OP!
Raak de print , het
vorstvrij element en de
naverwarmer niet aan
vanwege onder spanning
staande delen.
38


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