Fault Diagnosis - Kohler Mira Sport Thermostatic 9.8kW 1.1746.006 Installation Manual

In the event of a malfunction of the shower, the troubleshooting information below
provides details on possible causes and remedies that may be carried out by qualified,
competent personnel. Non-qualified personnel should refer to the fault diagnosis
section in the users guide.
WARNING
There are no user serviceable components beneath the cover of the shower.
Only qualified competent personnel should remove the front cover
Start/Stop
Symptom Light is
ON or OFF
Shower fails
to operate.
OFF
Shower
cycles from
hot to cold.
Unable to
select a
cool enough
shower.

FAULT DIAGNOSIS

Power
Control
Position
ANY
ECO/
ON
HIGH
ON ANY
Possible Cause
Isolator switch in the off
position.
Fuse blown or MCB/RCD
tripped, indicating possible
electrical fault.
Service tunnel or cover
not fitted correctly causing
Start/Stop button to not
operate.
Showerhead blocked.
Hose kinked or blocked.
Water pressure below
minimum required for
shower operation.
Temperature control or
power control setting too
high.
Due to the rise in mains
water supply temperature,
the power control setting
may be too high.
15
Possible Remedy
Switch on electrical supply
via the pullcord or wall
mounted switch.
Renew the fuse or reset
the MCB/RCD. If fault
persists, contact your
installer.
Check case inserts are cut
and fitted correctly. Check
services (electrical or
plumbing) are not interfering
with location of service
tunnel or cover.
Remove and descale
showerhead.
Check hose and replace if
necessary.
Make sure incoming mains
water stopcock and/or
shower isolating valve is
fully turned on.
Turn the power control
to Eco or turn the
temperature control until
a cooler temperature is
achieved.
Turn the power control
to Eco or turn the
temperature control until
a cooler temperature is
achieved.