Buderus 500 - 28/C Servicing Manual page 52

7 Actions
box 130 Check the glow ignitor – activation
H
DANGER OF FATAL ACCIDENT
due to electric shock
Take the boiler out of operation, see box 43, 44 or 47.
box 131
1
Pull out the plug of the glow ignitor (item 1).
box 132
Set the multimeter to "measure AC voltage".
Minimum measuring range: 230V AC.
Put the boiler into partial-load or full-load operation,
see box 13.
Check to see whether, with the operating code C [0c]
110 - 230 V AC is measured at the plug.
box 133
Take the boiler out of operation, see box 43.
Connect the plug of the glow ignitor.
Put the boiler into operation, see box 54, 55 or 51.
We reserve the right to make technical modifications
52 Servicing manual Gas condensing boiler Buderus 500-24/S, 500-24/C and 500-28/C • Issued 02/2006
box 134 Check the glow ignitor – resistance
H
DANGER OF FATAL ACCIDENT
due to electric shock
Take the boiler out of operation, see box 43, 44 or 47.
Remove the plug of the glow ignitor, see box 131.
box 135
Set multimeter to "measure resistance".
Check to see if the electrical resistance of the glow ignitor
lies between 50 and 300
box 136
Connect the plug of the glow ignitor.
Fit the casing and place the boiler into operation,
see box 51, 54 or 55.
box 137 Check the glow ignitor – power supply cable
H
DANGER OF FATAL ACCIDENT
A
due to electric shock
CAUTION!
To prevent damage, do not insert the measuring
electrodes of the multimeter too far into the holes of the
plug-and-socket connection.
Take the boiler out of serve and tip the DBA control panel
forwards, see box 43, 44, 47 or 63.
Loosen the six screws and remove the rear section,
see box 70.
Remove the plug of the glow ignitor, see box 131.
Buderus Ltd. • http://www.buderus-domestic.co.uk
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