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Troubleshooting
Symptom
Spout does not
operate e.g. no
water flow
No power to the
power supply box
Flow or water
too low
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16
Cause
Sensor cable not connected
Water supply not turned on
Blockage in water supply
pipework
Inlet water pressure too low
No mains electrical power to
supply box
Solenoid valve not opening
No mains power to the power
supply box
Mains power supply failed and
no batteries fitted or batteries
low
Inlet filter is partially blocked
Partially closed stop or
service valve in water
supply pipework
Inlet water supply pressure too
low
Remedy
Check that the sensor cable is
connected. If not connected,
connect sensor cable. Refer
to the 'Electrical Connections'
section
Turn on water supply and open
any isolation/service valves
Remove pipework and flush to
remove any debris.
Remove inlet filter and clean
under running water.
Refer to 'Specification'
section for working pressures
Connect power supply cable.
Refer to the 'Electrical
Connections' section
Contact Bristan Customer
Services
Connect power supply cable.
Refer to 'Electrical
Connections' section.
Check mains power supply.
Insert/change batteries.
Refer to 'Installation -
inserting batteries' section
Clean inlet filter. Refer to
'Maintenance' section
Open stop or service valve
Refer to 'Specification'
section for working pressures
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