23
Symptom Power
Light
Low
Flow
Light
Heater
Low/
Med/
High
Probable Cause
Possible Remedy
No change in
temperature
between Low/
M e d / H i g h
settings.
On
Off
On
Off
Any
Any
Insufficient mains
water pressure.
Possible failure
of microswitch or
heater tank.
Contact local water
company.
Check the continuity
of the microswitch
or heater tank and
replace parts as
necessary.
Water will not
turn off.
On
On
Off
On
Any
Any
Inlet Valve, Solenoid,
or Start/Stop switch
faulty.
Supply pressure
below 20 kPa
(0.2 bar).
R e p l a c e a s
necessary.
Contact local water
company. Check
mains water static
pressure.
A p p l i a n c e
f a i l s t o
produce hot
water when
set on Med/
High heater
setting.
On
On
On
On
Off
Off
Med/
High
Med/
High
Med/
High
Insufficient water
supply.
Possible failure of
the Microswitch or
Thermal switch.
Heater Tank failure.
Contact local water
company.
Check the continuity
of the Microswitch
or Heater Tank and
replace parts as
necessary.
Replace.
