79
Checking the fuse
1.
B
F1
4.
2.
3.
Fig. 43
1.
Turn off the ON/OFF switch
B
.
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.)
6173886
Diagnosis
Содержание B0KA
Страница 14: ...14 1 4 5 3 2 Fig 4 Installation sequence Removing the boiler from the packaging 6173886 Installation ...
Страница 28: ...28 1 2 Fig 20 Installation sequence Fitting the front panel 6173886 Installation ...
Страница 78: ...78 1 2 3 6 4 5 7 Fig 42 Troubleshooting Repairs cont 6173886 Diagnosis ...