> im not sure what I can check this time.

Dig around online. On type2.com, I think (or perhaps linked from it), you
can find scans of the original factory service manual for the largely
similar BA4, including detailed troubleshooting instructions. The BA4 is
electrically the same as your heater except for the lack of an additional
blower fan, so all of the troubleshooting info should apply.

- Ron Salmon
  The Bus Depot, Inc.
  www.busdepot.com
  (215)  234-VWVW

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