If these options can not rectify the problems then please contact your local installer so a qualified engineer
can fix the problem. Any work carried out by the homeowner will cause the warranty to be void.
Troubleshooting
Fault
Water does not heat up well
Water or vapour is emitted from
the Ecodan unit
Cold water at hot taps
Hot water provided but no heating
Heating provided but no hot water
Heating does not work at
specific times
Heating and hot water are
active at different times during
the weekend
Room becomes too hot when
heating is operated
Possible Cause
Ecodan may not be working
to its highest capacity.
Filter may be dirty and needs
to be cleaned.
During the heating mode, water
may form and drop from the heat
exchanger on the outdoor unit.
During the defrosting mode, water
on the heat exchanger or the
outdoor unit evaporates and water
vapour may be emitted.
System may be switched off.
Hot water used may have exceeded
capacity of cylinder.
Temperatures set are too low.
Time clock has been programmed
incorrectly.
Time clock has been programmed
incorrectly.
Time clock has been programmed
incorrectly.
The programmable room
thermostat has 5/2 split function
to create different settings for
the weekend.
Programmable room thermostat
set too high.
Heating is not needed during
summer months and should be
switched off.
Solution
Make sure that there is plenty
of space around the outdoor unit
so air can flow in and out.
Cleaning of this filter should be
carried out by your installer.
No solution necessary, this will
not effect the performance of
the Ecodan.
No solution necessary, pay
attention in icy conditions.
Switch on unit and continue
operation as usual.
Tank will automatically fill up as
water is used but will take time to
heat up. This is dependent upon
the size of the cylinder.
Temperature parameters are too
low and need to be set by your
installer.
Refer to pages 9, 10 and 11 for
time clock instructions and set
desired times for each function.
Refer to pages 9, 10 and 11 for
time clock instructions and set
desired times for each function.
Refer to pages 9, 10 and 11
for time clock instructions
and set desired times.
Refer to pages 7 and 8
for programmable room
thermostat settings.
Refer to pages 7 and 8 and
lower temperatures.
Refer to pages 9, 10 and 11
for time clock instructions to
stop heating mode.
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