Mira Advance J97I User Manual page 11

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Basic Supply Checks:
Check there is electricity still supplied to the appliance (lights
and/or beeps will confirm this). If in any doubt, contact a qualified
electrician. If a short power cut has occurred during use, the shower
will automatically reset as above and be ready when the blue light
stops pulsing. Check all plumbing isolator valves to the shower are
fully open.
A section of supply pipe may be preheating the cold water supply to
the shower e.g. cold water supply pipe is running through a loft or is
adjacent to hot water pipes.
A section of supply pipe is frozen. Allow to thaw and insulate the
pipe.
Recommission the shower (refer to section: 'Commissioning' in the
'Mira Advance Installation Guide').
In rare cases, hot water may be retained within the shower causing a
failure to continue even though the underlying cause may have been
corrected. This may be caused by a brief interruption to either the
electric or water supplies while the shower is running, or incorrectly
stopping the shower with the isolator switch (i.e. turning the shower
off using the pullcord). Allowing the water to cool for approximately
20 minutes before use should clear this error.
If a failure still continues after all of these checks are complete, and the shower has
once again been reset, and a solution has not been identified in the fault diagnosis
table, then contact a competent tradesperson who can further diagnose the fault.
11

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