Themostrecent10faultsaresavedandmaybecalledup.
1. Press G and d si multaneous ly
for approx. 2 se conds.
2. Cal l up the indiv idual fault codes
with a or b.
Fault code order Fault code
1
.
.
.
10
most recent
.
.
.
10th from most
recent
All saved fault codes can be
deleted with e.
3. Press d.
Calling up current fault codes
Red fault indicator U flashes for all
faults.
"Fault" flashes in the programming
unit disp lay when a fau lt messag e is
issued.
A fault in the b urner control u nit
causes the displ ay to flash E.
Calling up fault code history
74
Troubleshooting
5692 537 GB
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