If The Power Supply Does Not Turn On; How To Exchange The Fuse - ITech IT6302 User Manual

◼ Current output Check
The following steps check the basic current functionality by shorting the power supply's
output.
1) Press Power key to turn on the power supply
On/Off
2) Press
3) Connect a short across (+) and (-) output terminals with an insulated test lead, use a
wire sufficient to handle the maximum current.
4) Adjust the voltage value to 3V
On/Off
5) Press
6) Adjust the current
Set some different current values, in METER mode, check whether the voltage value on
VFD is near 0v, and the current on it is close to the value you set.
7) Make sure that the current can be adjusted from 0 to full rated value.
8) Disable the output and then remove the short wire
9) Check the other two channels by the same method.

1.2.5 If the power supply does not turn on

Use the following steps to help resolve the problems you might encounter when turn
on the instrument:
1) Verify that there is AC power applied to the power supply
First, verify that the power cord is firmly plugged into the power receptacle on the rear
panel of the power supply. You should also make sure that the power source you
plugged the power supply into is energized. Then, verify that the power supply is turned
on.
2) Verify the power-line voltage setting
Make sure the voltage selector switch is set according to the present line voltage
(110VAC or 220VAC) when the power supply is shipped from the factory. Change the
voltage setting if it's not correct.
3) Verify the correct power-line fuse is installed
If the fuse was damaged, please see the table below to replace the fuse for your power
supply
.
Model Fuse Spec
Fuse 3.15A (220V AC)
IT6302
Fuse 6.30A (110V AC)

1.2.6 How to exchange the fuse

Open the small plastic cover below the power supply input socket on the back panel with a
screwdriver, and you can see the fuse in it, please use the specifications in line fuse.
Remove the power cord and then use a screwdriver to remove the fuse box.
to disable the output, ensure the output is OFF.
to enable the output
11
IT6302 user manual
USER MANUAL