Mira Advance Installation, Operation, Maintenance Manual page 32

Malfunction Malfunction Malfunction Malfunction Malfunction
No water or very
low flow rate.
Service light not
on.
Mira Advance
continues to drip
after being turned
off, or will not
shut off.
32 32
32 32 32
A A A A A B B B B B C C C C C
Faulty transformer.
Faulty relay board
assembly.
Faulty control PCB.
ü ü
Inlet strainer blocked.
ü
ü
Faulty flow valve.
ü
Faulty relay board
assembly.
ü
Faulty element assembly.
ü ü
Insufficient water supply
pressure.
ü
Low pressure thermostatic
performance.
Faulty or incorrectly
connected wire 78 multi-
connector.
ü
Faulty flow valve.
ü
Shower head will continue
to drip for a period of time
once the shower is turned
off.
Cause Cause Cause Cause Cause Remedy Remedy Remedy Remedy Remedy
Renew transformer.
Renew relay board
assembly.
Renew control PCB.
Remove and clean.
When refitted ensure
filter is screwed fully
home.
Renew flow valve.
Renew relay board
assembly.
Renew element
assembly.
Check water supply
isolation.
See Operation
Renew or reconnect
wire 78 multi-connector.
Ensure that the
connector is fully
pushed home.
Renew flow valve.
Change angle of
shower head to speed
up the discharge of
retained water.