Technical data

Fault Finding 10
Instructions for Installation and Servicing turboMAX pro R3 31
Sheet BCheck operation of pump and fan
Turn off the main ON/OFF control to the
"0" position
Diconnect the power supply to the boiler
Go to sheet A
Check transformer 230 VAC primary
(black/red) and approx. 17 VDC secondary
(blue/brown)
Check/replace pump
Replace fuse F1
If fan commences operation, exchange
gas valve
After approx. 20 secs.
Does fuse F1 blow?
Produce central heating demand.
Does fuse blow immediately?
Turn the main ON/OFF control to the "1"
position
Does green power on indicator glow?
Yes
No
No
No
Yes
Check/replace fan Replace electronic board
No
Yes
Yes
Does green power on indicator glow?
833792_41GB_012005.qxd 09.03.2005 16:47 Uhr Seite 31