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Fault Cause Remedy
Insufficient water - Supply pressure inadequate - Check water pressure (If a pump
has been installed check to see if
the pump is working).
- Filters are dirty - Clean the filter / exchange filter
Crossflow, hot water being forced
into cold water pipe, or vice versa,
when mixer is closed
- Backflow preventers dirty or leaking - Clean backflow preventers, ex-
change if necessary
Instantaneous heater didn’t work - Filters are dirty - Clean the filter / exchange filter
- check valve hasn't moved back - Exchange check valves
- Supply pressure inadequate - Remove flow limiter
Valve stiff / leaking - Select stop valve damaged / soiled - Exchange Select stop valve
- Temperature limiter plugged on
improperly
- Plug on the temperature limiter once
more (see page 64)
Cleaning (see page 69)
Assembly see page 61
7
Test certificate (see page 72)
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