Troubleshooting
If afault occurs,the BIASoperating,information anddisplaysystemdisplayafault code,to which causeand
remedyfrom the following table maybeallocated.Thistable isdesignedto allowyour localheatingcontractor
to trace the fault moreeasily.
E = pressthe reset button after a fault has been removed
7 E
STBA
- Excess temperature
The flue gas temperature has exceeded
the limit for the STBAshutdown of 110 °c.
Flue gas temperature too high because
- the output is too high
- of a contaminated or faulty heat exchanger
Flue
gas system protection.
!
I
i~ .~
23
Differential pressure switch fault
The differentia I pressure switch does not
switch OFF.
Gas fan does not switch OFF.
Monitoring interrupted by
- a faulty differential pressure switch
- water or contamination in the hoses to the
differentia I pressure switch.
Faulty components must be replaced with original spare parts.
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