How to update your A/C service station

Keep your ASC service unit up to date

Since many years, our ASC service units and their customized variants are equipped with a USB connection. Thus, the firmware can simply be updated with a USB stick. To do this, first use our Firmware Overview to check whether the firmware version of your ASC service unit is up to date.

» Check firmware overview

Then download the latest firmware for your WAECO ASC service unit and follow the instructions as described in the instruction section below.

» Download latest firmware

In addition, you can purchase from us a database that provides you with an up-to-the-minute overview of the most common car, truck and bus models on the market, as well as the corresponding fill quantities for A/C compressor oils, A/C refrigerants (both for R 134a and R 1234yf), etc. Order number: 4441000174.

» Order filling quantity database

AC Service Station with USB Stick

How to Update your ASC

  • Download the zip file using the link below.
  • Unzip it and copy the contained .wuf file to a FAT32 formatted USB stick.
  • Insert the USB stick in the USB port. You find the USB port on the upper left of the panel like shown.
  • Switch on the device.
  • The station will scan the USB stick for a later version. If the software on the USB stick is more up-to-date, the following menu is displayed:
AC Service Unit Update Step 1
  • If the database on the USB stick is more up-to-date, the following menu is displayed, where the current version is displayed in black on the bottom line:
AC Service Unit Update Step 2
  • Press ENTER to update the software or database.
  • The station shows the progress of the update:
AC Service Unit Update Step 3
  • After the update, the station sets the default settings:
  • The station then restarts and the standby menu appears.
  • Remove the USB stick.
  • The station is ready for operation.

After running an update on a service unit, the data on the USB stick will be unusable to execute another update on a further service unit.

AC Service Unit Update Step 4