49
ENGLISH
No water flow from hot taps
Mains supply off
Open supply valve
Line strainer blocked
Clear line strainer
If problem still persists contact a
competent engineer
Intermittent water discharge
Reduced Internal expansion
volume
If problem still persists contact a
competent engineer
Repressurize expansion vessel.
Follow cold water discharge.
Switch off power to immersion
heaters and boiler supply to the
unit. When discharge has stopped
check thermal controls and replace
as necessary
Thermal control failure
Cold water PRV incorrectly fitted
Check and refit as required
YES
YES
YES
YES
YES
NO
NO
NO
