Keston K260 Installation And Servicing Instructions page 28

WD53/0/1999
Continued from sheet 4
Installation & Servicing Instructions
Chapter 5 : Fault Finding
Does flame stop after
5 to 10 seconds ?
Is boielr earthed correctly?
Are live and neutral supply
lines crossed at main
connection to boiler?
Is combustion and gas rate
set correctly?
Faulty control box
- Replace
The Keston 260 and 340 Condensing Boiler
N Earth Boiler
Y Correct Wiring.
Set gas rate & combustion
N
(Sections 4.7 and 4.8)
Page : 25