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Well done scan of a useful manual. It will be useful in my workbench!!
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Excelent scan job. It's a fully detailed service manual of this model.
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Do a quick order, scan quality is high.
I recommend to all!
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This manual is perfect! Just what I needed. Thanks!
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This manual was very clear and complete, the prices can't be beat, great to have older manuals available!
AH/AU-A079E AH/AU-A099E
TROUBLESHOOTING GUIDE OF CONTROL CIRCUIT
The machine does not function at all with remote control and switches on the indoor unit.
Using a tester, measure the voltage between terminal " 1 " and " 2 " of connector CN2 on PWB ass'y.
measure the secondary voltage of transformer.
Is the measured value approx. 16.0 Vac ?
NO
YES Replace the PWB with a new one. YES Replace the fuse and varistor with new ones. Replace the ftransformer with a new one. Is the 2.5A fuse down ? NO
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