Operating instructions

6.4 Reading and Removing Fault Codes Stored in Memory
with the Webasto PC Diagnostics Kit and Adapter
It is possible to read and remove (reset) stored fault codes from the
Thermo 230/300 memory.
This is achieved through the use of a diagnostic interface kit
connected to the Thermo 230/300 and an IBM compatible computer
having the necessary software installed.
The PC Diagnostic Interface Kit comes with software and instructions
for use with Webasto heaters equipped with internal diagnostics
capabilities such as the Thermo 230/300.
Order PC Diagnostics Kit under part number 925 42A and adapter
under part number 208 65A.
System requirements:
• IBM compatible PC with 80286 processor or higher
• DOS version 3.0 or higher including *MS Windows (*Not required)
• at least 1 MB RAM
• hard disk with at least 3 MB space available
• 3 1/2 inch, 1.44 MB floppy disk drive for installation of program files
• VGA graphics board with 640 x 480 pixel resolution and at least 16
colors
• unused serial port
• monitor, keyboard (mouse or other pointing device recommended)
In addition to working with stored fault codes, the PC Diagnostics Kit
allows you to do several other functions such as reading values while
the heater is in operation or testing individual components. Printing
out of fault codes is also available (User supplied printer required).
For further capabilities and detailed instructions for use with the
Thermo 230/300 heater, see instruction manual supplied with the PC
Diagnostics Kit.
CAUTION
Diagnostics equipment is
intended for use by
Webasto trained personnel
at authorized Webasto
Distributor, Dealer and
End User service facilities.
6 Basic Troubleshooting Thermo 230/300
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