First of all I must say that I received the manual in just a few minutes after placing the order. The copy is well done and very readable. I will buy others soon... Thanks, Meyer
The schematic is very helpful and the images are very good.The schematic is very helpful and the images are very good.The schematic is very helpful and the images are very good.The schematic is very helpful and the images are very good.The schematic is very helpful and the images are very good.The schematic is very helpful and the images are very good.
Welcome. The scheme is clearly helped me to repair. Worth to download it.
Text excerpt from page 13 (click to view)
AH-A07CR AH-A09CR AH-A12CR
TROUBLESHOOTING GUIDE OF CONTROL CIRCUIT
The machine does not function at all with remote controller and switches on the indoor unit.
Using a tester, measure the voltage between anodes of D1 and D2 on PWB ass'y.
measure the secondary voltage of transformer.
Is the measured value approx. 17.0 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 3.0A fuse down ? NO
