To work out what the error code is press the orange start/stop button on the remote controller so unit operation is stopped.
Then press and hold "energy save" and "zone control" button
simultaneously for at least five seconds, the error code will be along
the lines of En:nn where the "En:" is the error code and the ":nn"
indicates the indopor unit address if there are multiple indoor units
connected to the one controller. If the upper vertical bar on the
capital E is missing so it looks maybe like a 2 or something don't worry
for some reasons they just do that
Some common error codes are:
E0 Communication error between indoor unit and wired remote control,
check if there is 12VDC between terminal 1 + 3 at remote control and
8-9VDC pulsating between terminal 2 + 3. If DC volts out of Indoor pcb
is below about 11.6VDC it will cause this error, the problem is normally
dry capacitors in the 12 VDC power supply section. This model has two
power supply sections on indoor pcb.
E1 Communication error between indoor unit and outdoor unit,
EF Discharge temperature abnormal
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