User manual

Installation and operation
akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover· Germany · Tel.: [phone] · www.akytec.de
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To enter the programming mode use the button .
To scroll the parameters use the buttons and , to change the parameter use the button .
When the device is switched on for the first time or the password protection is activated, 0 is displayed.
Use the buttons and to enter the correct password (factory setting – 5), then press the button to
confirm.
If an incorrect password is entered, the device reverts to operating mode.
If the password protection is disabled (the parameter PS is oFF), the password is not requested.
If the button is pressed while the parameter PS is being displayed, the following characters appear on the
display: I- - - - . This means that the upper end of the menu has been reached.
If the button is pressed while the parameter Sqrt is being displayed, the following characters appear on
the display: - - - -I. This means that the lower end of the menu has been reached.
Briefly push the button (< 1 s) to change the selected parameter. The display indicates the actual param-
eter value. The factory settings are shown in Fig. 4 and Table 2. The value can be changed using buttons
and . After confirming by pressing the button, you return to the parameter list.
Potential errors and troubleshooting measures are listed in Table 3.
Table 3 Error display
Display
Possible cause of error
Remedy
Lo
Input current lower than 3.8 mA Check input signal
Hi
Input current higher than 22.5 mA Check input signal
None
No input signal Check input signal
Reverse polarity on input Check polarity