Display fault
code
System char-
acteristics
Cause
Remedy
Fd
Burner
blocked
Burner control unit
fault
Check the ignition elec-
trodes and leads. Check
whether a strong interfer-
ence (EMC) field exists
near the equipment.
Press"Reset".
If the fault is not re-
moved, replace the con-
trol unit.
FE
Burner
blocked
Faulty main PCB
Switch OFF the control
unit, if the equipment will
not restart.
Fault finding
(cont.)
73
Troubleshooting
58
62
670
GB
Service
Содержание Vitodens 100
Страница 41: ...Opening the control unit housing Electrical connections 41 Installation 5862 670 GB Installation ...
Страница 82: ...A1 Main PCB A2 Programming unit Connection and wiring diagrams combi boiler 82 Designs 5862 670 GB ...
Страница 84: ...A1 Main PCB A2 Programming unit Connection and wiring diagram system boiler 84 Designs 5862 670 GB ...
Страница 88: ...Parts lists cont 88 Parts lists 5862 670 GB ...
Страница 89: ...Parts lists cont 89 Parts lists 5862 670 GB Service ...
Страница 90: ...Parts lists cont 90 Parts lists 5862 670 GB ...
Страница 91: ...Parts lists cont 91 Parts lists 5862 670 GB Service ...
Страница 95: ...95 5862 670 GB ...