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Hitachi RAS 5142CHA Won't operate

\015 This unit was working fine, hadn't been used for 3-4 wks now head unit does not start, I had a sparky look at the power supply. We have power to the head unit (which feeds to the compressor) but it will not start, there is no standby light on the head unit, remote is working and the reset button on the head unit does not help. Can anyone help before I call the air con technician?\015

Answers :

Check the fuse on the control board inside the head unit,if its ok you need to replace the contrl board
MY HITACHI SPLIT AC MODEL RAU014HOD finished just 2 years of operation , sparingly used. today it refused to work even when power is on, remote is ok, but refused to start.\015\012
\015\012the main ac unit box - i hope the fuse is not blown. where is it located?\015\012

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