Programmable DC Power Supply User’s Guide
17
Chapter 4 Maintenance
4.1 Cleaning
In the case of disconnecting of power, the apparatus can be cleaned by soft cloth with
neutral washing liquid and clear water. It is forbidden to spray the washing liquid directly
on the apparatus in case that the apparatus is damaged resulted from the leaking.
4.2 Daily maintenance
For safety, the following instructions are only for professional technicians.
4.2.1 Replacing of fuse
If the apparatus cannot work properly because that the fuse is burnt out, first find the
reason and correct, and then replace the fuse according to the original model. It is
forbidden to use a temporary one or to short meeting the fuse block.
4.2.2 As the apparatus is in malfunction and needs to repair, disconnect the power.
Warning
：
To insure the effective protection
，
only specific model fuse with the rating
of 250V can be replaced. The power must be disconnected before replacing. And the
power wire must also be taken off.
