Fault Diagnosis - Kohler Mira Showers Escape Thermostatic 9.0 kW Installation And User Manual

The trouble shooting information tabled below gives details on probable causes
and remedies should dif¿culties be encountered whilst the shower is in operation.
Warning! There are no user serviceable components beneath the cover of the
appliance. Only a competent tradesperson should remove the front cover!
Symptom Power
Light Flow
Light
Appliance Fails
to operate
OFF
Shower cycles
from hot to cold
ON
ON
U n a b l e t o
s e l e c t a
co o l e no ug h ON
shower.
Unable to
ON
select a
hot enough
shower (cold
ON
only)
ON

FAULT DIAGNOSIS

Low Heater Probable Cause
Setting
I / II / III
Electrical supply isolated
at double pole switch.
OFF Any
Fuse blown or MCB/RCD
tripped, indicating possible
electrical fault.
Handset blocked.
Water pressure below
ON II / III
m inimu m req uired fo r
appliance operation.
Temperature dial or Heater
setting too high.
OFF II / III
Thermostatic mechanism
is faulty or damaged.
Due to the rise in mains
water supply temperature,
OFF III the Heater setting may be
too high.
Power control not on high Turn the power control
ON I / II
Temperature control on
OFF Any cool setting
Water pressure below
minimum requirement for
shower operation
ON ANY
Showerhead blocked
21
Possible Remedy
Switch on electrical supply
via the pullcord or wall
mounted switch.
Renew the fuse or reset
the MCB/RCD. If fault
persists, c ontact your
installer.
Remove and clean.
Make sure incoming mains
water stopcock and/or
appliance isolating valve
is fully turned on.
Turn the heater selector
knob to setting II or turn
the temperature control
until a cooler temperature
is achieved.
Replace.
Turn the heater selector
knob to II and adjust the
temperature control until
a suitable temperature is
achieved.
to high
Turn the temperature
control until a hotter
temperature is achieved
Make sure incoming
mains water stopcock
and / or shower isolating
valve is fully open
Contact water company
Remove and descale
showerhead
(continued)