Mira Advance ATL Installation & User Manual page 31

Section
11
1. Operators Troubleshooting Guide
The Mira Advance ATL electric shower is fully performance tested after assembly. In
the unlikely event that you experience problems with the Mira Advance ATL, then the
following procedures will enable you to undertake basic troubleshooting before
contacting the person responsible for installing your shower.
WARNING! There are no user serviceable components beneath the cover of the Mira
Advance ATL. Only a competent tradesperson should remove the cover.
Key
A = "STOP" indicator - "= light illuminated (right-hand side of button)
B = "LOW PRESSURE" indicator - "= light illuminated (right-hand side for 3 seconds
only, then returns to STOP)
C = "SERVICE" indicator - "= light illuminated (left-hand side)
D = "FLOW INDICATION"
Malfunction
No water or very
low flow rate and
then the unit
switches off.
No visible flow
change on flow
selection change.
Low flow rate.
Sudden rapid
increase in flow
for a short period,
eventually
returning to
expected flow
and temperature.
This may occur
after a period of
non-use.
Fault Diagnosis
D
A B C
"
"
Spray plate blocked.
Supply stop valve
" "
turned down.
"
Low pressure
thermostatic
performance.
Insufficient water
" "
supply pressure.
"
A section of supply
pipe allows pre-heating
of water supply to the
shower i.e. running
through a warm loft or
next to hot pipes.
Cause
31
Remedy
Remove and clean.
Refer to fittings
guide.
Turn on.
This is normal during
low pressure
thermostatic
performance.
Improve supply
pressure.
Contact a competent
tradesperson.
Allow shower to run
for a couple of
minutes before
entering shower to
allow warmer water
to clear the system.