Maintenance; Fault Diagnosis - Mira Gem 88 Installation & User Manual

Shower control
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Fault diagnosis

Read the section "Important Safety Information" first.
Mira products are fully performance tested after assembly. In the unlikely event that
you experience problems with your shower the following procedure will enable you to
undertake basic fault finding before contacting Kohler Mira Limited for further assistance
or spare parts as necessary.
If after completing the checks no improvement in performance is experienced, then
further investigation should be undertaken by the person responsible for installing
your shower. Only competent persons should remove the cover of the shower control.
Malfunction
Cold water flow from
the shower handset.
No flow or low flow
rate from the shower
handset.
Cold water when hot
is selected or vice
versa.
Too high flow when
flow control is fully
open.
Drip from the shower
*
handset.
*
A small amount of water may be retained in the shower head after the shower
control has been turned off. This may drain off over a period of minutes and
should not be confused with a "Defective flow control".

MAINTENANCE

Cause
a)
Hot water used up.
b)
Low water temperature,
setting of hot water system
°
(typically 60
c)
Cold supply pressure too high
relative to hot.
a)
Spray plate blocked.
b)
Stop or servicing valve in
supply pipe partially closed.
c)
Head of water below minimum
required.
d)
Wrong handset or spray
plates for available pressure.
a)
Reversed inlets.
a)
Mixer installed on a High
pressure system.
Note! This shower is not
suitable for combination
boilers or instantaneous water
heaters.
a)
Defective flow control
seals, possibly caused by
failure to flush pipework
prior to installation.
Wait for the water to reheat.
Contact
responsible for installing
°
- 65
C).
your shower.
Refer
Installation Notes for
plumbing advice.
Clean spray plate.
Open valve/s.
Raise cistern or fit Mira
pump.
Fit correct handset or
change spray plates.
Refer to section: Reversed
Inlets.
Fit the flow regulator
supplied
Replace cartridge. Refer to
section: Parts list.
34
Remedy
the
person
to
section:

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