5
Operating and fault indications
MCM10
17
5.5 Replacing the fuse for the heating
zone pump connection
B Interrupt the power supply.
B Open the MCM10 module cover (master) (Æ Fig. 6,
page 6).
B Replace fuse [1] with one of the same type (5 AF,
ceramic, filled with sand). A spare fuse [2] is provided
in the MCM10 module cover.
Fig. 11 Replacing the fuse
B Close the MCM10 module cover (Æ Fig. 6, page 6).
7 746 800 090-11.1O
1
2