Hello Vlada,

There is good information on Chris Miller's webpage:
http://members.aol.com/c1j1miller/climate.html
(click on the Error Codes)

Channel '01 stores the error codes and when you read them, it will tell you what the problem is.

Good luck and let us know what you find.

Regards,

- Jeremy

1990 V8Q Zyclam Portland, Oregon (USA) http://www.MyV8Q.com/ Fun, Fun, Fun auf der Autobahn