Mira Elite ST Installation Manual page 20

All the following remedies must be performed by a competent tradesperson!
Power
Symptom
Light
Low or no flow. ON
ON
ON
ON
ON
ON
ON
Operation of ON
Temperature
Control has
little or no
ON
effect on water
temperature.
ON
ON
No change in ON
temperature
between Low
/ Med / High
settings.
Appliance fails ON
to produce hot
water when set
on Med / High
heater setting.
ON
Heater
Low
Setting
Flow
Low / Med /
Light
High
ON ANY
ON ANY
OFF ANY
OFF ANY
OFF ANY
OFF ANY
OFF ANY
ON MED / HIGH
MED / HIGH
OFF
MED / HIGH
OFF
MED / HIGH
OFF
OFF ANY
FF MED / HIGH
OFF MED / HIGH
Probable Cause
F i l t e r o r w a t e r s u p p l y
pipework restricted by a
blockage or partial blockage.
Insufficient water supply
pressure / flow for operation.
Hose or handset sprayplate
blocked.
Flow Valve faulty.
Heater tank excessively
scaled.
Service tunnel or cover not
fitted correctly causing Start/
Stop button not to operate.
Pump faulty.
Hose, handset or Filter
blocked.
Flow Valve faulty.
Heater Tank failure.
Microswitch failure.
P o s s i b l e F l o w Va l v e ,
Microswitch or Heater Tank
failure.
Possible Microswitch or
Thermal Switch failure.
Possible Heater Tank failure.
20
Possible Remedy
Flush supply pipe. Clean
filter.
Gravity fed system, minimum
pressure 0.8 kPa (0.008 Bar
/ 80 mm).
Remove and clean.
Replace.
Replace. In hard water areas
consider the use of a water
softener.
Check case inserts are
cut and fitted correctly.
Check services (electrical /
plumbing) are not interfering
with the location of service
tunnel or cover.
Replace.
Remove and clean.
Replace.
Replace.
Replace.
Check the continuity of
the Microswitch or Heater
Tank and replace parts as
required.
Check the continuity of
the Microswitch or Heater
Tank and replace parts as
required.
Replace.