Operation Manual

Protect PV.250 Operating Instructions

Page 50 of 51 80000027023 BAL, en

There then follows the total energy counter ∑

and the inverter op-

erating hours counter ∑

You can scroll through the measured values using the "v" and "^"

keys.

You can use the "COM interface" menu item to look up the

statuses of the communication PCBs.

You can use the "AUX signals" menu item to look up the status of

optional general signals on the remote signalling board.

7.3.5 Blocking

You can call up the "Blocking" menu from the "main menu". After

you have entered the current password, you can block operation

of the inverter (switching on/off and fault acknowledgement).

The password must be entered digit by digit and then confirmed by

pressing the ENTER key.

The default password is: 1201.

In menus where switching operations are normally possible, block-

ing is indicated by a key.

7.3.6 Fault History

You can call up the "Fault history" menu from the "main menu".

A data logger that records the inverter's fault history is integrated

in the inverter unit. You can display the 20 most recent faults as of

the current date or as of another specific date.

7.3.7 Settings

You can call up the "Settings" menu from the "main menu". Here

you can set the following parameters in the submenus:

• LCD contrast

• Language

• Real time

• Acoustic signal generator for indicating faults and for key-

board operations

7.3.8 Information

You can call up the "Information" menu from the "main menu".

Using this menu, you can look up information about the unit type,

the firmware versions and the available communication options.