10
Maintenance
User qualification: trained user, see
n
Ä Chapter 2.2 'Users' qualifications'
on page 10
The controller is maintenance free.
10.1
Changing the fuse,
DULCOMETER
pact Controller
WARNING!
Danger from electrical voltage
Possible consequence: Fatal or
very serious injuries.
–
The DULCOMETER
Controller does not have a
mains switch
–
When working inside the con‐
trol unit, disconnect the control
unit from the mains power via
an external switch or by
removing the external fuse
NOTICE!
Use only 5 x 20 mm micro-fuses
Possible consequence: Damage to
the product or its surroundings
–
5x20 T 0.315 A
–
Part number 732404
®
Com‐
®
Compact
Fuse change
The mains fuse is located in a sealed fuse
holder in the inside of the device.
1.
Disconnect the controller from the
mains power
2.
Open the controller and fold the
controller housing top section to the
left
3.
Remove the PCB cover
4.
Remove the micro-fuse using a
suitable tool
5.
Fit the micro-fuse using a suitable
tool
6.
Refit the PCB cover
7.
Replace controller housing top sec‐
tion and close the controller
Maintenance
77