Malfunction
Low or no water
flow
Cause
Isolating valves closed.
Inlet filters blocked.
Check valve fitted
incorrectly.
Appliance sited above
cold water storage
cistern
Plumbing system fault
(airlock)
27
Remedy
Open valves
Contact your installer.
Contact your installer.
The appliance is not suitable
for negative head
installations. Refer to
"Installation
Requirements".
Contact your installer.