Mira Vision Owner's Installation Manual page 41

Symptoms
Shower temperature too hot or
fluctuates
Probable Cause
Temperature adjustment on
wireless controller set too high
Hot inlet water supply
temperature is too hot
Inlet filters or check valves
blocked
Combination boiler cutting
inand out (HP/Combi
valve only) causing blend
temperature fluctuations
Inlet water supply pressures
are unstable or imbalanced
Shower temperature affected
by the use of adjacent hot/
cold tap. Insufficiently sized
pipework to feed both Digital
Mixing Valve and taps at the
same time.
The 'Warm-up' feature is being
used with a combi boiler (HP/
Combi valve only) refer to 'Use
of Warm-up'
Digital Mixer valve box or
Wireless Controller failure
41
Possible Remedy
Increase the temperature by
pressing the "-" button on
the wireless controller, refer
to "Using The Shower" in
the Wireless Controller User
Guide
Reduce hot inlet water
temperature to between
55°C and 65°C, refer to
"Specifications"
Check and remedy, refer to
'Maintenance'
Refer to "Use of Flow
Regulators" for correct
operation
Ensure the water suppply
pressures are stable and
nominally equal, refer to
'Specifications'
Increase pipe sizes or
separately feed shower, refer
to 'Installation' for correct
plumbing method
Disable the 'warm-up' feature,
refer to 'Changing Functions'
in the Wireless Controller User
Guide
Contact Kohler Mira Ltd
1184347-W2-G