88
Checking the fuse
A
F1
B
1.
2.
4.
3.
Fig. 49
1.
Switch ON/OFF switch
B
OFF.
2.
Remove the programming unit.
3.
Pivot the HBMU heat management unit down.
4.
Remove cover
A
.
5.
Check fuse F1 (see connection and wiring dia-
gram).
Danger
Incorrect or improperly fitted fuses can lead
to an increased risk of fire.
■
Insert fuses without using any force. Posi-
tion fuses correctly.
■
Only use structurally identical types with
the specified response characteristics.
Troubleshooting
Repairs
(cont.)
6167586
Diagnosis
Содержание Vitodens 100-W B1HF Series
Страница 14: ...14 1 4 5 3 2 Fig 4 Installation sequence Removing the boiler from the packaging 6167586 Installation ...
Страница 30: ...30 1 2 Fig 22 Installation sequence Fitting the front panel 6167586 Installation ...
Страница 87: ...87 1 2 4 3 7 5 6 Fig 48 Troubleshooting Repairs cont 6167586 Diagnosis ...
Страница 107: ...107 6167586 ...