Diagnosis
6
We reserve the right to make technical modifications
Buderus Ltd. • http://www.buderus-domestic.co.uk
Servicing manual Gas condensing boiler Buderus 500-24/S, 500-24/C and 500-28/C • Issued 02/2006
37
box 42
step 1
Fit the casing to the boiler.
step 2
Turn the mains switch on the DBA control panel of the boiler to position “0” (OFF), see box 43.
step 3
Turn the mains switch on the DBA control panel of the boiler to position “1” (ON), see box 55.
The fault is now rectified.
Your Buderus 500 should be working now.