89_HEATRONIC.pm: fixed variable names, new reading: ch_error (error code of boiler)
89_HEATRONIC.pm: fixed variable names, new reading: ch_error (error code of boiler)View Changes
Source: 89_HEATRONIC.pm: fixed variable names, new reading: ch_error (error code of boiler) (http://sourceforge.net/p/fhem/code/10358/)