INSTRUCTIONS FOR INSTALLATION
We reserve the right of alternations
Page
20
RCCB switch cannot
be switched ON
Check existance
of resistance
between terminals N,3,5,7
or RCCB switch and PE
Find component which has
contact between earth (PE) and
change it.
YES
Please check the following
before going through Fault
finding chart.
Check the installation is
correct.
All isolating valves are open.
The system is full of water
(pressurised) and purged of
air.
Programmer and controls
outside of boiler are on.
Check the electrical supply is
connected correctly and
present
Check the
status of safety
thermostat, try to
reset it
Switch on RCCB switch
YES
NO
Change the RCCB switch
NO
All manuals and user guides at all-guides.com
