Accuracy Check Repair; Repair Troubleshooting; Troubleshooting - KPS PowerCompact3020 Manual De Usuario

8.2. Repair.
PowerCompact3020 is a sophisticated electronic product..
Any attempt to repair the instrument without the necessary know-how may pose a safety risk.
Therefore, no unauthorised personnel or laboratories should carry out repair, maintenance or calibration
operations. The warranty shall no longer be valid if the instrument is tampered with by third parties.

8.3. Troubleshooting.

Instrument does not switch on.
The battery run out. Connect instrument to power supply.
Instrument does not perform correct measurement.
Make sure the current and voltage ratios match the current clamps and VTs connected to the system.
Make sure the current clamps are not connected inversely.
Make sure the phase sequence is correct.
The display is blurry.
Go to LCD Setup page and check brightness and contrast levels of the LCD.
The display dims after few seconds.
Go to LCD setup and check Backlight parameter setting.
The display stays on permanently, even though it has been set-up differently.
Check if there is an active video alarm.
Certain pages or entire menus are not displayed.
Go to LCD setup page and set Menu type parameter to Total.
Go to Connection setup menu and check that Grid type parameter is set according to your needs.
A significant number of alarms have gone off.
Go to Alarm setup page and verify a proper Histeresys parameter value has been set.
- 101 -