12 Maintenance and service
12.1 Cleaning
We recommend the use of non-abrasive
neutral cleaning agents to clean the keypad
and housing.
Caution:
We shall accept no liability if you use
concentrated acids or bases, benzyl
alcohol, methylene chloride or high-
pressure steam.
12.2 Replacing a defective fuse
Non-Ex version:
Open fuse holder using screwdriver in the
direction of the arrow (see Fig. 12.1) and
replace the defective fuse for one of
type M 3.15 A / 250 V.
Ex version:
Only authorised service personnel
may replace the fuse module.
Order No.:
50076930 100 V ... 230 VAC
50076931 24 VAC
50087807 24 VDC
12.3 Repairs
Repairs may only be carried out directly by
the manuafacturer or by the Endress+Hauser
Service Organisation.
A list of Endress+Hauser service agencies
can be found on the back page of this manual.
M
3,1
5A / 250V
LLN
L+ L+ L–
88 87 85 86
31 32 33 34
PE
Open
fuse.cdr
Fig. 12.1
Fuse holder in
non-Ex version
Maintenance and service Mycom CLM 152
78 Endress+Hauser