Mira Alero Installation And User Manual page 22

Symptom Start/
Stop
Light
H a n d s e t
dripping
OFF
Low or no flow.
ON
OFF
ON
Operation of
t e m p e r a t u r e
c o n t r o l h a s
ON
l i t t l e o r n o
effect on water
temperature.
Heater Probable Cause
Setting
I / II / III
Insufficien t water su pp ly
pressure for shut off.
ANY
Inlet valve faulty
Water supply pipework or inlet
filter restricted by a blockage or
partial blockage.
Insufficien t water su pp ly
pressure/flow for operation.
ANY
Other outlets (e.g. toilet, garden
hose, washing machine, etc.)
drawing water while the shower
is being used.
Showerhead blocked.
Service tunnel or cover not
fitted correctly causing Start/
ANY Stop button not to operate.
Inlet Valve faulty.
H e a t e r Ta n k e x c e s s i v e l y
ANY
scaled.
Showerhead or inlet filter
blocked.
Inlet valve faulty.
II / III
Heater tank failure.
Microswitch failure.
22
Possible Remedy
The minimum static pressure
to ensure shut off and prevent
dripping is 0.2 bar.
Note! If other appliances are
operating, static pressure may
drop below 0.2 bar. Contact
local water company. Renew
the Flow Valve.
Replace
Flush supply pipe. Clean inlet
filter.
Contact local water company.
Supply pressure must be a
minimum of 0.7 bar. Note: If
other appliances are operating,
pressure may drop below 0.7
bar.
Turn off other appliances whilst
shower is in use.
Remove and clean.
Check case inserts are cut and
fitted correctly. Check services
(electrical or plumbing) are
not interfering with location of
service tunnel or cover.
Replace.
Replace. In hard water areas
consider the use of a water
softener.
Remove and clean.
Replace.
Replace.
Replace.