Mira Sport Thermostatic 9.0 Installation & User Manual page 22

Power
Symptom
Light
On
L o w o r n o
flow.
(continued...)
On
On
On
On
On
Operation of
temperature
c o n t r o l
has little or
n o e f f e c t On
o n w a t e r
temperature.
On
On
On
On
Heater
Low
Low/
Flow
Med/
Light
High
On Any
Off Any
Off Any
Off Any
Off Any
On Med/
High
Off Med/
High
Off Med/
High
Off Med/
High
Off Med/
High
Off Med/
High
Probable Cause
Other outlets (e.g.
t o i l e t , w a s h i n g
m a c h i n e , e t c )
drawing water whilst
the shower is on.
Handset blocked.
Service tunnel or
c o v e r n o t f i t t e d
correctly causing
Start/Stop button
not to operate.
Inlet valve faulty.
H e a t e r t a n k
excessively scaled.
Handset or inlet filter
blocked.
Inlet valve faulty.
Heater tank failure.
Microswitch failure.
T h e r m o s t a t i c
mechanism failure.
Temperature control
belt.
22
Possible Remedy
T u r n o f f o t h e r
appliances whilst
shower is in use.
Remove and clean.
Check case inserts
are cut and fitted
c o r r e c t l y. M a k e
sure electrical and
plumbing services
are not interfering
with location.
Replace.
Replace. Consider
the use of a water
softener.
Remove and clean.
Replace.
Replace.
Replace.
Replace.
Replace.