Ariston ACO 32 RFFI SYSTEM Installation And Servicing Instructions page 66

7.6 A
CCESS TO THE
7.6.1. C F
HECKING THE USES
1. Remove the inspection cover of the PCB box (F
7.64);
2. Remove the fuses by pushing and rotating fuse holders
"B9" (F . 7.65).
IG
F . 7.64
IG
B9
F . 7.65
IG
66
C S
ONTROL YSTEM
7.6.2. R
EMOVING THE
1. Remove the inspection cover of the PCB box (F
7.66);
2. Unplug all the electrical connections (F
.
IG
3. Unscrew the screws "C1" (F
4. Pull forward the main PCB (F
5. Unscrew the screws "C2" (Fig. 7.69);
6. Remove the cover of the control panel (F
7. Unscrew the display P.C.B. mounting screws "C3" and
disconnect the P .C.B. connection cable "C4" (F
8. Remove the display P.C.B. (F
9. Replace either P.C.B. in reverse order.
F . 7.66
IG
C1
F . 7.67
IG
F . 7.68
IG
P.C.B.
S
. 7.67);
IG
. 7.67);
IG
. 7.68);
IG
IG
. 7.72);
IG
.
IG
. 7.70);
. 7.71);
IG