T900pi
22
Fault finding
FAULT FINDING
IMPORTANT:
Switch off the electricity at the mains supply and remove the circuit fuse before
attempting any fault finding inside the unit.
Problem/Symptom Cause
Action/Cure
1
Shower inoperable,
no water flow when
the Start/Stop button
is pressed.
2
Water too hot.
3
Water temperature
cycling hot/cool at
intervals.
4
Water too cool or
cold.
1.1
Interrupted power
supply.
1.2
Plug not
connected to socket
inside the cover.
1.3
Solenoid valve
malfunction.
1.4
Pump motor
faulty.
2.1
Not enough water
flowing through the
shower.
2.2
Increase in
ambient water
temperature.
3.1
Heater cycling on
outlet thermal cut-out.
4.1
Too much flow.
4.2
Reduction in
the ambient water
temperature.
4.3
Electrical
malfunction or safety
cut-out has operated.
1.1.1
Check if a general power cut. Check other
appliances and if necessary, contact the local
Electricity Supply Company.
1.1.2
If the power neon does not illuminate
when the Start/Stop button is pressed, check the
consumer unit fuse or circuit breaker or isolating
switch. If blown or faulty, renew or reset as
applicable. If it fails again, consult a competent
electrician.
1.2.1
Remove the cover and ensure the plug
and socket are firmly connected.
1.3.1
Have solenoid checked by a competent
electrician or contact Customer Service.
1.4.1
If the power neon is lit when the Start/
Stop button is pressed, have the pump checked
by a competent person or contact Customer
Service.
2.1.1
Increase the flow rate via temp control.
2.1.2
Blocked showerhead – clean or replace
showerhead.
2.1.3
Blocked filter – see
‘filter maintenance’
.
2.2.1
Switch to reduced power setting and
readjust flow rate (via temperature control) to
give the required temperature.
3.1.1
See
'Water too hot'
causes 2.1 and 2.2 and
their appropriate action/cures. If it continues,
contact Customer Service.
4.1.1
Reduce the flow rate via the temperature
control.
4.2.1
Switch to full power setting and readjust
the flow rate via the temperature control to give
the required temperature.
4.3.1
Have shower unit checked by a competent
electrician or contact Customer Service.