5.3. Changing the Fuse
Caution:
*
Ensure no power is connected to the power supply; otherwise, will have an electrical shock.
*
Do not over turn the fuse socket, or you will damage the fuse socket.
1.
Disconnect all power connection.
2.
Turn over the case.
3.
Find the fuse socket.
4.
Use a cross screw driver and turn anti-clockwise to open the fuse socket.
5.
Replace the fuse with identical rating.
Fuse: 115 V = 6 A/250 V 5 x 20 mm; 230 V = 3,15 A/250 V 5 x 20 mm
6.
Use the cross screw driver and turn clockwise to close the fuse socket
6. Caution
These units have excellent protection function. The adjustable output have current-limit protection.
As there is controlling circuit for regulating transistor's power loss in the circuit, when short-circuit
occurs, the power loss on large power transistors is not very high, it can't cause any damage to
the unit. But there is still power loss when short-circuit, in order to reduce aging and energy
consumption, so this situation should be find as soon as possible and turn off power, then exclude
the faults.
When operating is finished, put it in a dry place of good ventilation, and keep it clean. If it is not in
use for a long period, pull off the power supply plug for storage.
For maintenance, input voltage must be cut off.
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