Maintenance; Fault Diagnosis - Mira CODA PRO Installation & User Manual

Fault Diagnosis

If you require a Mira trained service engineer or agent, refer to section: 'Customer
Services'.
Symptom
Water too hot or too
cold.
P o o r t e m p e r a t u r e
control.
Fluctuating or reduced
flow.
Water leaking from
shower handset.

MAINTENANCE

Inlets reversed (hot supply to cold supply). Rework inlet
pipework (refer to 'Specifications').
Check the filters for any blockage (refer to 'Maintenance').
Maximum temperature setting ( refer to 'Commissioning' )
If you have a combination type boiler it may not be
producing sufficiently hot water at desired flow rate
(refer to 'Specifications'). Fit flow regulator to shower
valve outlet (contact Mira Showers or visit the website
if required).
Installation conditions outside operating parameters, refer
to sections: 'Specifications' and 'Commissioning'.
Make sure that the inlet temperature differentials are
sufficient, refer to section: 'Specifications'.
Check the shower handset, hose and filters for any
blockage.
Set at Eco position. Press the override button and rotate
knob.
Make sure that the maintained inlet pressures are
nominally balanced and sufficient, refer to section:
'Specifications'.
Air lock or partial blockage in the pipework.
Normal for a short period after shut off.
Check that the pressures are not in excess of the
specifications for the product.
Thermostatic cartridge inlet seals damaged, renew.
Renew the flow cartridge.
16
Cause / Rectification