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20
Fault Diagnosis
As with most electronic equipment re-setting the mixing valve by powering it down at
the mains, waiting a few seconds and powering it up again can often cure any issues.
Symptoms
Probable Cause
Possible Remedy
No water flow / will
not turn on
Product has entered an error
mode indicated by a flashing
“
spanner
” symbol
Refer to Error Log
Product in cleaning / disabled
mode
Use magnetic key to put back in normal
mode.
No power to the Digital Mixing
Valve
Check electrical connection and power
supply - Power cycle the digital mixer
(turn off and on again).
Inlet water supply isolators not
fully turned on
Check and remedy.
Inlet water supply failure
Check and remedy.
Inlet filters or check valves blocked Check and remedy.
Inlet check valves / flow regulators
installed the wrong way around
Check and remedy.
Outlet spout, hose or handset
blocked
Check and remedy.
Reversed inlet supplies
Check and remedy.
Inlet water pressure too low
Check specification.
“Blocking”
time set
Commission
“Blocking”
time using the
communication app.
Digital Mixing Valve air locking
Check for correct installation practices,
repeat commissioning procedure and
rearrange pipework to avoid airlock
forming.
Digital Mixing Valve failure
Contact Rada
Flow rate too low
Inlet water supply isolators not
fully turned on
Check and remedy.
Inlet filters or check valves blocked Check and remedy.
Outlet spout, hose or handset
blocked
Check and remedy.
Reversed inlet supplies
Check and remedy.
Inlet Water pressures too low
Check specification.
Digital Mixer Valve air locking
Check for correct installation practices,
repeat commissioning procedure and
rearrange pipework to avoid airlock
forming.
Digital Mixing Valve failure
Contact Rada.
