124
Checking the fuse
F1
1.
Switch OFF the power.
2.
Release the side closures and pivot
the control unit down.
3.
Remove cover
A
.
4.
Check fuse F1 (see connection and
wiring diagram).
Extension kit for heating circuit with mixer
Checking the setting of rotary selec-
tor S1
The rotary selector on the PCB of the
extension kit defines the assignment to
the relevant heating circuit.
Heating circuit
Rotary
selector S1
setting
Heating circuit with
mixer M2 (heating cir-
cuit 2)
2
2 3
4
5
6
10
9
8
7
Heating circuit with
mixer M3 (heating cir-
cuit 3)
4
4
2 3
5
6
10
9
8
7
Troubleshooting
Repairs
(cont.)
5457 552 GB
Summary of Contents for FS2B
Page 163: ...163 5457 552 GB ...
