43
1199702-W2-H
Symptoms
Probable Cause
Possible Remedy
General Fault Diagnostics
No Display
The wireless controller
batteries are flat or incorrectly
fitted.
Wireless controller failure.
Refer to
“Replacing the
Batteries”
in the Wireless
Controller User Guide.
No water flow / will not turn on
(wireless controller display is on)
HP/Combi valve fitted to a
Pumped Gravity water system
Inlet water supply isolators not
fully turned on
Inlet water supply failure
Inlet filters or check valves
blocked
Outlet hose or handset blocked
Digital Mixing valve air locking
Loss of / or poor radio
communications (out of range
symbol maybe illuminated on
wireless controller).
Digital Mixer valve box or Wireless
Controller failure
HP/Combi valves are not suitable
for Pumped Gravity water system,
refer to
“Typical Suitable
Installation”.
Check electrical connection and
power supply
Check and remedy
Check and remedy
Check and remedy, refer to
“Maintenance”
Check and remedy
Check for correct installation
practices, repeat commissioning
procedure and rearrange pipework
to avoid airlock forming, refer to
“Typical Suitable Installations”
Refer to
“Loss of / or poor radio
communications”
section above
