49
Type
No.
Fault
Solution
ALL
98
SW error, board
start-up
- Contact the Technical
Assistance Centre
ALL
99
General board error
- Contact the Technical
Assistance Centre
-
-
Frequent relief valve
intervention
- Check circuit pressure
- Check expansion vessel
-
-
Limited production of
domestic hot water
- Check the diverter valve
- Check domestic hot
water circuit valve
8.6.1 Maintenance request
When it is time to perform maintenance on the boiler, the
c
symbol shows on the display.
Contact the technical assistance service to organise the nec-
essary work.
Содержание 8116910
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