Nut upsuser - Apr 2018 - PowerWalker VI 1500 LCD NUT problem detecting device

Hi all,
can anybody sugggest a proper solution to the problem described here:
http://nut-upsuser.alioth.debian.narkive.com/wIMnftV0/installing-nut-for-
powerwalker-vi-1500-lcd

Righet now I am trying to make it go and running on version:

root at raspberrypi:/home/pi/deb# apt-cache policy nut
nut:
  Installed: 2.7.2-4
  Candidate: 2.7.2-4
  Version table:
 *** 2.7.2-4 0
        500 http://mirrordirector.raspbian.org/raspbian/ jessie/main armhf
Packages
        100 /var/lib/dpkg/status

debian version:
root at raspberrypi:/home/pi/deb# cat /etc/debian_version
8.0

my /etc/nut/ups.conf looks like this:
[PW1500LCD]
    driver = blazer_usb
    port = auto
    desc = "PowerWalker VI 1500 LCD"

running lsusb gives:
Bus 001 Device 004: ID 0665:5161 Cypress Semiconductor USB to Serial
Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp. SMSC9512/9514
Fast Ethernet Adapter
Bus 001 Device 002: ID 0424:9514 Standard Microsystems Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

and /lib/udev/rules.d/52-nut-usbups.rules for 0665:5161 changed looks like:
ATTR{idVendor}=="0665", ATTR{idProduct}=="5161",
GROUP="nut"

result of upsdrvctl start gives:
root at raspberrypi:/home/pi/deb# upsdrvctl start
Network UPS Tools - UPS driver controller 2.7.2
Network UPS Tools - Megatec/Q1 protocol USB driver 0.11 (2.7.2)
No supported UPS detected
Driver failed to start (exit status=1)
Network UPS Tools - Megatec/Q1 protocol USB driver 0.11 (2.7.2)
No supported UPS detected
Driver failed to start (exit status=1)
Network UPS Tools - Megatec/Q1 protocol USB driver 0.11 (2.7.2)
No supported UPS detected
Driver failed to start (exit status=1)

and sudo /lib/nut/blazer_usb -DD -a PW1500LCD:
Network UPS Tools - Megatec/Q1 protocol USB driver 0.11 (2.7.2)
   0.000000     debug level is '2'
   0.003078     Checking device (0665/5161) (001/004)
   0.012274     - VendorID: 0665
   0.012318     - ProductID: 5161
   0.012350     - Manufacturer: INNO TECH
   0.012373     - Product: USB to Serial
   0.012397     - Serial Number: unknown
   0.012420     - Bus: 001
   0.012447     Trying to match device
   0.012478     Device matches
   0.012969     Trying megatec protocol...
   0.143173     blazer_status: short reply
   0.143250     Status read 1 failed
   0.274168     blazer_status: short reply
   0.274245     Status read 2 failed
   0.405148     blazer_status: short reply
   0.405186     Status read 3 failed
   0.405224     Trying mustek protocol...
   1.643583     blazer_status: short reply
   1.643657     Status read 1 failed
   2.882597     blazer_status: short reply
   2.882671     Status read 2 failed
   4.121540     blazer_status: short reply
   4.121641     Status read 3 failed
   4.121686     Trying megatec/old protocol...
   4.246117     blazer_status: short reply
   4.247034     Status read 1 failed
   4.372103     blazer_status: short reply
   4.372848     Status read 2 failed
   4.498122     blazer_status: short reply
   4.499047     Status read 3 failed
   4.499709     Trying zinto protocol...
   4.631115     blazer_status: short reply
   4.632027     Status read 1 failed
   4.763101     blazer_status: short reply
   4.763842     Status read 2 failed
   4.895123     blazer_status: short reply
   4.895203     Status read 3 failed
   4.895229     No supported UPS detected

Is there anybody who can help with this?

best regards
m83vb4
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