Symptom
Possible Cause
Possible Remedy
No hot water
from the
shower, with
the controls
in ECO/HIGH
position
Insufficient water
supply pressure
Contact local water
authority
Failure of the
microswitch or
thermal switch
Check the continuity of
the switches, using
a suitable continuity
measuring device.
Replace the switches
as necessary
An internal wiring
connection has
failed
Check the integrity of
the internal wiring
One of the heater
tank elements has
failed
Replace the heater
tank assembly
Switch assembly
fault
Replace On / Off
switching assembly
The shower
temperature
cycles between
hot and cold
with power
control in ECO/
HIGH
The showerhead
sprayplate is
blocked
Remove and clean
the showerhead
sprayplate.
Refer to the shower
fittings User Guide.
If the fault persists,
contact Customer
Services
The hose is blocked
or kinked
Clear the blockage or
replace the hose
The temperature is
set too high. This is
causing the thermal
switch to turn off the
heating element to
reduce the water
temperature
Turn the temperature
control anticlockwise
to reduce the water
temperature or turn the
power control to ECO.
DO NOT TAMPER with
the thermal switch
N
E
L
MICROSWITCH
(LEFT)
MICROSWITCH
(RIGHT)
BROWN
GREEN
BLUE
BROWN
BROWN
BLUE
GREY
RED
RED
BROWN
BROWN
RED
GREEN
BROWN
RED
BROWN
BLUE
BLUE
BROWN
GREY
These instructions must be left with the user
Installation Guide
Warning!
There are no user serviceable components beneath
the cover of the appliance. 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.
FAULT DIAGNOSIS
Mira Vie
7.5, 8.5, 9.5 and 10.8 kW Electric Shower
1224544-W2-F
© Kohler Mira Limited, April 2018
Mira is a registered trade mark of
Kohler Mira Limited.
The company reserves the right to alter
product specifications without notice.
14648
CUSTOMER SERVICE
Mira Go
8.5, 9.5 and 10.8 kW Electric Shower
COMMISSIONING
1
2
Turn temperature control to the
cold position.
Turn power control to low.
3
4
Switch on the electrical supply. Push START/STOP button.
5
6
COLD
0 - 15 secs
HOT
Water flows freely within a few
seconds, temperature remains
cool.
Turn power control to Eco.
7
8
5 - 10 secs
COLD
HOT
Temperature will rise slightly.
Turn power control to High.
9
10
5 - 10 secs
COLD
HOT
Temperature will rise further.
Adjust temperature as
required.
Note!
Flow rate will reduce
when temperature setting is
increased.
WIRING DIAGRAM
SOLENOID
VALVE
HEATER
TANK
START/STOP
THERMAL
CUTOUT
DUAL DISC
TERMINAL
BLOCK
11
12
Push START/STOP button.
Switch off the electrical supply.
13
A small amount of water may
continue to drain over a few
minutes.
Note!
A slight hissing sound may be heard from the shower
during operation. High mains water pressure and high shower
temperatures will affect the tone. This is quite normal in use.
SPARE PARTS
1693.331
Component Pack (Not illustrated)
1788.432
Wire Pack (Not illustrated)
1788.436
Screw Pack (Not illustrated)
Turning the
temperature
control does not
affect the water
temperature
The flow regulator is
faulty
Replace the heater
tank assembly
The hose or
showerhead is
blocked
De-scale showerhead,
check hose for kinks or
damage and replace
if necessary. Refer to
the User Maintenance
section of the user
guide
No water or
very low flow
rate
The hose or
showerhead is
blocked
De-scale showerhead,
check hose for kinks or
damage and replace
if necessary. Refer to
the User Maintenance
section of the user
guide
The incoming water
supply stop valves,
or the appliance
isolating valve is
closed
Open the stop/isolating
valve completely
Insufficient water
supply pressure
Contact the local water
authority
The heater tank is
excessively scaled
Replace the heater
tank assembly
The inlet filter is
blocked
Clean the inlet filter
The fuse is blown
or the MCB / RCD
has been tripped,
indicating a possible
electrical fault; for
example, heater
tank element failure
Switch on the power at
the double pole switch
The on / off
switching assembly
is faulty
Replace on / off
switching assembly
The start / stop
switch is faulty
Replace start / stop
switch
The solenoid coil is
faulty
Replace solenoid coil
Water leaks
from the bottom
of the case
near the outlet
and there is no
flow from the
showerhead
The pressure relief
valve in the tank
has been triggered
(usually due to a
blocked outlet),
when the relief valve
operates a small
rubber ball is
ejected
Resolve the blocked
outlet and replace the
heater tank assembly
The water
cannot be
turned off
The on / off
switching assembly
is faulty
Replace on / off
switching assembly
The start / stop
switch is faulty
Replace start / stop
switch
The supply pressure
is below the
minimum required
Check the static water
pressure. Note that the
static water pressure
may fall below the
minimum requirement
when other appliances
are drawing water,
for example the
dishwasher or the
washing machine
The guarantee applies solely to the original installation under normal
use and to the original purchaser only. The product must be installed
and maintained in accordance with the instructions given in this guide.
Servicing must only be undertaken by us or our appointed representative.
Note!
If a service visit is required the product must be fully installed and
connected to services.
Repair under this guarantee does not extend the original expiry date.
The guarantee on any replacement parts or product ends at the original
expiry date
For shower fittings or consumable items we reserve the right to supply
replacement parts only.
The guarantee does not cover:
Call out charges for non product faults (such as damage or performance
issues arising from incorrect installation, improper use, inappropriate
cleaning, lack of maintenance, build up of limescale, frost damage,
chemical attack, corrosion, system debris or blocked filters) or where no
fault has been found with the product.
Water or electrical supply, waste and isolation issues.
Compensation for loss of use of the product or consequential or indirect
loss of any kind.
Damage or defects caused if the product is repaired or modified by persons
not authorised by us or our appointed representative.
Accidental or wilful damage
Products purchased ex-showroom display.
What to do if something goes wrong
If your product does not work correctly refer to this manual for fault diagnosis
and check that it is installed and commissioned in accordance with our
instructions.
If this does not resolve the issue, contact us for help and advice.
Extended Guarantees
A selection of protection plans are available that enable you to cover repair
bills (excludes Eire). Ring 01922 471763 for more details.
Guarantee
Your product has the benefit of our manufacture’s guarantee which starts from
date of purchase. This guarantee only applies in the United Kingdom and
Republic of Ireland. To activate this guarantee, please return your completed
registration card, visit our website or free phone 0800 0731248 within 30 days
of purchase (UK only).
Within the guarantee period we will resolve defects in materials or
workmanship, free of charge, by repairing or replacing parts or product as
we may choose.
This guarantee is in addition to your statutory rights and is subject to
the following conditions:
Helpdesk Service -
Contact our Customer Services Team for
product advice, to purchase spare parts or accessories or to set
up service visit. You can contact us via phone or e-mail - contact
details below. Please provide your model name, power rating (if
applicable) and date of purchase.
Mira Showers Website (www.mirashowers.co.uk)
Visit our website to register your guarantee, download user
guides, diagnose faults, purchase our full range of accessories
and popular spares, or request a service visit.
Spares and Accessories -
We hold the largest stocks of genuine
Mira spares and accessories. Contact us for a price or visit our
website to purchase items from our accessory range and popular
spares. (Only available in the United Kingdom).
Service/Repairs -
No one knows our products better than our
nationwide team of Service Technicians. We can carry out service
or repair work to your product both during and after the guarantee
period (Only available in the United Kingdom and Republic of
Ireland). Ask about our fixed price service repairs.
To Contact Us
0844 571 5000
Please note: Calls cost 7p per minute plus your phone company’s access charge.
Fax:
01242 282595
E-mail:
www.mirashowers.co.uk/contactus
Mira Customer Services Dept
Cromwell Road, Cheltenham,
Gloucestershire
GL52 5EP
To Contact Us: Eire Only
01 531 9337
E-mail:
SERVICING
WARNING
There are no user serviceable parts inside the shower.
Servicing of the shower must only be carried out by
qualified, competent personnel following the instructions
provided in this guide and those provided with any spare
part.
Before replacing any parts, ensure that the underlying
cause of the malfunction has been resolved.
Cleaning the Inlet
Filter
Warning!
Isolate the
electrical and water supplies
before removing the cover.
Remove the cover.
Remove the elbow from the inlet connector.
Note!
Depending on your installation it may be necessary to
remove the shower from the wall to allow filter removal.
In this case isolate all supplies and follow steps 6 - 8 in reverse
order as detailed in section:
‘INSTALLATION’
.
Inlet Filter
Inlet
Connector
Prise the filter from the inlet
connector assembly.
Rinse the filter under a
running tap to remove
any lodged particles. If
necessary, use a kettle
descalent in accordance
with the manufacturer’s
instructions.
Refit the inlet filter and follow steps 7 and 10 as described in
section:
‘INSTALLATION’.
Note!
If the shower was removed from the wall, steps
6, 7, 8 and 10 will need to be followed as described in
section:
‘INSTALLATION’.
Follow the steps detailed in section:
‘COMMISSIONING’
to
prepare the shower for use.
1788.431
Outlet
Connector
1789.085
Latching
Switch
1788.430
Terminal Block
Assembly
1788.435
Inlet Filter
1788.434
Solenoid Coil
1788.429
On / Off
Switching
Assembly
1746.436
Thermal
Switch
1788.478 (7.5kW)
1788.426 (8.5kW)
1788.427 (9.5kW)
1788.428 (10.8kW)
Heater Tank
Assembly
(includes
microswitches)
1788.433
Valve Clamp
1788.422
(White/Chrome)
1788.525
(Chrome)
Mira Vie Cover
Assembly
1788.423
(White/Chrome)
Mira Go Cover
Assembly
