27
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.
2 Water too hot.
3 Water too cool or cold.
4 Water will not stop
flowing from unit
unless switched off at
isolating switch.
5 Pressure relief device
has operated (water
ejected from PRD
tube).
1.1 Interrupted power
supply.
1.2 Unit malfunction.
1.3 Thermal cut-out
operated.
2.1 Temperature control
set incorrectly.
2.2 Unit malfunction.
3.1 Temperature control
set incorrectly.
3.2 Maximum
temperature stop set
incorrectly.
3.3 Unit malfunction.
4.1 Control ribbon cable
is not connected to
PCB.
5.1 Blocked
showerhead.
5.2 Twisted/blocked
flexible shower hose.
5.3 Showerhead not
removed while
commissioning.
1.1.1 Blown fuse or circuit breaker. Check supply
Renew or reset fuse or circuit breaker. If it fails
again, consult a qualified electrician.
1.2.1 Power cut? Check other appliances and if
necessary, contact local Electricity Supply Co.
1.2.2 Have unit checked. Ring Customer Service.
1.3.1 The thermal cut-out safety device has operated.
Have the unit checked by a suitably qualified
service engineer or contact Customer Service.
2.1.1 Alter the temperature control.
2.2.1 Have the unit checked by a suitably qualified
service engineer or contact Customer Service.
3.1.1 Alter the temperature control.
3.2.1 Alter the Maximum temperature stop.
3.3.1 Have the unit checked by a suitably qualified
service engineer or contact Customer Service.
4.1.1 Remove cover and connect ribbon cable.
5.1.1 Clean sprayplate and then fit a new PRD.
5.2.1 Check for free passage through hose. Replace
hose if necessary and then fit new PRD.
5.3.1 Fit new PRD. Commission unit with showerhead
removed.
FAULT FINDING
Problem/Symptom Cause
Action/Cure
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