21
Symptom Power
Light
Low
Flow
Light
Heater
Low/
Med/
High
Probable Cause
Possible Remedy
U n a b l e t o
s e l e c t a
cool enough
shower.
On
Off
High
Due to a rise in
mains water supply
temperature, the
heater setting may
be too high.
Turn the heater
selector knob to
Medium and adjust
the temperature
c o n t r o l u n t i l a
suitable temperature
is achieved.
All the following remedies must be performed by a competent tradesperson!
H a n d s e t
dripping.
Off
Off
Off
Off
Any
Any
Insufficient water
supply pressure for
shut off.
Inlet valve faulty
The minimum static
pressure to ensure
shut off and prevent
dripping is 20 kPa
(0.2 bar).
N o t e !
I f o t h e r
a p p l i a n c e s a r e
operating, static
pressure may drop
below 20 kPa (0.2
bar). Contact local
water company.
Renew inlet valve.
Replace.
Low or no
flow.
On
On
On
On
Any
Any
W a t e r s u p p l y
pipework or inlet
filter restricted by a
blockage or partial
blockage.
Insufficient water
supply pressure/
flow for operation.
Flush supply pipe.
Clean inlet filter.
Contact local water
company. Supply
pressure must be a
minimum of 70 kPa
(0.7 bar).
N o t e !
I f o t h e r
a p p l i a n c e s a r e
operating, pressure
may drop below 70
kPa (0.7 bar).