Appendix
0020200965_02 ENERGY ..s Operating instructions
15
Fault
Cause
Measure
Product does not
start up:
–
No hot water
–
Heating re-
mains cold
If fault
F.83
is displayed, press
the fault clearance key. If the fault
persists and you have pressed the
fault clearance key once more,
a burner anti-cycling time of 45
minutes is automatically activated.
The display shows
S.54
. If the
fault persists, consult a competent
person.
Hot water gener-
ation functioning
correctly; heating
does not start up
The external controller is not set cor-
rectly.
Set the external controller cor-
rectly (
→
Controller operating in-
structions).
