6. Troubleshooting
1. The instrument is powered on, but the display is still off
Check if the power is connected properly.
Check if the Power Switch is in the proper voltage scale.
Check if the fuse which is below the AC Power socket is used appropriately and in good condition (the cover
can be pried open with a straight screwdriver).
Restart the instrument after the steps above.
If the problem still exists, please contact PeakTech for our service.
2. The output is abnormal:
Check if the output voltage is set to 0V. If so, set it to other value.
Check if the output current is set to 0A. If so, set it to other value.
When in timer status, check if there is any voltage/current value of timer setting is set to 0. If so, set it to
other value.
If the problem still exists, please contact PeakTech for our service.
3. Cannot identify the USB device correctly:
Check if the USB device is in good condition.
Check if the used USB device is a flash device, note that a hard disk cannot be supported.
Restart the instrument and insert your USB flash device again.
If the problem still exists, please contact PeakTech for our service.
-51-