User Manual

14
Maintenance
6.1 Recalibration
The purpose of recalibration is to reduce the dierence between the set values and the displayed values on the LCD
display. Recalibration is only required when this dierence is greater than 0.1 V for voltage or -0.01 A / +0.02 A for
current.
6.2 Troubleshooting
Keypad and Dial do not work Check key lock symbol for lock state, unlock unit by pressing
then key, otherwise switch the unit o and then back on to see if the prob-
lem persists.
No output power Check the output for on/o symbol on the display. Press then .
Cannot get a high voltage
setting within the
rated maximum
Check the upper voltage limit setting by pressing then . Adjust the
maximum voltage limit with the and keys.
“OUT OF RANGE”
keeps appearing
Check if the setting is within the rated range. If this occurs during voltage setting, refer to trou-
bleshooting solution to the previous problem.
When keying in operations
the unit keeps exiting and
does not save inputs
Only 10 seconds are allowed for inputting and 3 seconds for operation mode settings.