I was very glad recieving the service manal from You. Manuals were delivered promptly and were correct as advertised. A complete and very usefull service manual with all details. Thank you!
Good product. All the information is invcluded, but due to the complexity of the amplifier, it still is difficult to get it to operation again.
Text excerpt from page 29 (click to view)
AY-A126E AE-A126E
CHARACTERISTIC OF TH1 & TH2 K�
The room is not cooled. The compressor does not operate.
180 160 140
Push the button "TEST" on the indoor unit, and wait 3 minutes.
120 100 80
Using a meter, measure voltage at the terminals on the terminal board.
60 40 20 0 -10 0 10 20 Fig. T-1
TH1,TH2
30 40�C
Is there a voltage between terminal "N" and "1" of the terminal board the power supply voltage ?
NO
Replace the PWB ass'y with a new one. YES
Measure resistances of TH1 and TH2.
Are the resistances correct Fig. T-1 ?
NO
YES
Replace the thermistor ass'y with a new one.
The control circuit is normal. The compressor may be defective. The running capacitor may be defective. Refrigerant may have leaked. The outdoor fan motor may be defective. The outdoor fan motor capacitor may be defective.