Maintenance; Fault Diagnosis - Mira Coda Installation & User Manual

Fault Diagnosis

If you require a Mira trained service engineer or agent, refer to section: 'Customer
services'.
symptom
only hot or cold water
from the mixer outlet.
outlet temperature too
hot / too cold.
Fluctuating or reduced
flow.
Water leaking from
shower handset.

MaInTenanCe

Inlets reversed (hot supply to cold supply). Rework inlet
pipework.
No hot or cold water reaching the mixer.
Check the filters for any blockage.
Installation conditions outside operating parameters, refer
to sections: 'Specifications' and 'Commissioning'.
Check the shower handset, hose and filters for any
blockage.
Make sure that the maintained inlet pressures are
nominally balanced and sufficient, refer to section:
'Specifications'.
Make sure that the inlet temperature differentials are
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.
Cartridge inlet seals damaged, renew.
Renew the flow cartridge.
16
Cause / Rectification