User manual

akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany Tel.: [phone] · www.akytec.de
8
Example 2:
di.Lo: -999 -> 4 mA
di.Hi: 9999 -> 20 mA
For the input current of 20.8 mA the correct indication should be “10548”. Actually “0548”
will be displayed.
If the access protection is disabled (PS = oFF), the passcode will be not requested.
If the access protection is activated, 0 is displayed.
Use the buttons and to enter the passcode 5, then press the button to confirm.
If an incorrect passcode is entered, the device returns to the operating mode.
Potential errors and remedies are listed in Table 7.2.
Table 7.2 Error messages
Display Possible cause Remedy
Lo
Input current lower than 3.8 mA
Check input signal
Hi
Input current higher than 22.5 mA
Check input signal
I- - - -
The top of the parameter list is reached
- - - - I
The bottom of the parameter list is
reached
empty display
No input signal
Check input signal
Reverse polarity
Check polarity
8 Maintenance
The maintenance includes:
– cleaning the housing and the terminals from dust, dirt and debris
– checking the fastening of the device
– checking the wiring (connecting leads, fastenings, mechanical damage)
The device should be cleaned with a damp cloth only. No abrasives or solvent-containing
cleaners may be used.
9 Transportation and storage
Pack the device in such a way as to protect it reliably against impact for storage and
transportation. The original packaging provides optimum protection.
If the device is not taken immediately after delivery into operation, it must be carefully stored
at a protected location. The device should not be stored in an atmosphere with chemically
active substances.
Permitted storage temperature: -25…+80 °C
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NOTICE
The device may have been damaged during transportation.
Check the device for transport damage and completeness!
Report the transport damage immediately to the shipper and akYtec GmbH!