The PCD goes in HALT with a BUS ERROR if many accesses to the WebServer are executed

After a few houres or days the PCD3 goes in HALT with a BUS ERROR.

Problem
The PCD3 goes in HALT with a BUS ERROR after a few hours or days. After a power off / on it works again for a while

Reason
This can happen if many accesses to the WebServer are executet and a firmware <030 or <$2A is in use.

Solution
Update the firmware to 030 or $2A