Operating instructions

42
10.6 Access to the Control System
10.6.1 Checking the fuses
1. Remove the inspection co ver on the re verse of the control
panel (F
IG. 10.62);
2. Remove the fuses (FIG. 10.63).
FIG. 10.56
FIG. 10.63
Important! Isolate the electr ical supply to the boiler bef ore
accessing the control panel.
Servicing Instructions
10.6.2 Removing the P.C.B.
1. Isolate electricity;
2. Remove the inspection co ver from the re verse of the control
panel;
3. Unplug all electrical connections from the P.C.B.
4. Remove the screws “N1” (F
IG. 10.64);
5. Separate the facia panel from the rear of the control panel ;
6. Remove the screws “O1” and remove the P.C.B.
(FIG. 10.65).
FIG. 10.64
N1
N1
N1
FIG. 6.65
O1
O1