Fault Diagnosis; Fault Diagnosis - User Maintenance - Mira Vigour Installation And User Manual

Fault Diagnosis - User Maintenance

The appliance is fully performance tested after assembly. Providing it has been
correctly installed and is operated as advised, difficulties should not arise. In the
unlikely event that you experience problems with your appliance then the following
procedure will enable you to undertake basic fault finding before contacting the
person responsible for installing your shower.
Malfunction
Maximum
showering
temperature too
hot.
Shower
temperature too
cold.
Blend temperature
unstable.
Pump does not
operate.
Low or no water
flow.

FAULT DIAGNOSIS

Cause
Maximum temperature
incorrectly set.
Hot water cylinder
temperature less than 12 °C
above shower temperature.
Maximum temperature
incorrectly set.
Spray plate blocked.
Inlet filters blocked.
Isolating valve partially
closed.
Plumbing system fault.
Electrical supply failure.
PCB or Potentiometer failure.
Motor overheated, thermal
switch operated.
Isolating valves closed.
Inlet filters blocked.
Check valve fitted incorrectly.
Appliance sited above cold
water storage cistern.
Plumbing system fault
(airlock).
Reset maximum temperature,
refer to COMMISSIONING.
Adjust cylinder temperature.
Note! It is recommended
stored water temperatures do
not exceed 65 °C.
Reset maximum temperature,
refer to COMMISSIONING.
Clean spray plate, refer to the
instruction manual supplied
with the shower fittings.
Contact your installer.
Open valve.
Contact your installer.
Contact your installer.
Contact your installer.
If the thermal switch operates
repeatedly contact customer
support for further advice.
Open the isolating valves.
Contact your installer.
Contact your installer.
The appliance is not suitable
for negative head installations,
refer to INSTALLATION
REQUIREMENTS.
Contact your installer.
25
Remedy