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Perfect manual, perfect service. Easy reading. Thanks a lot
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Very good quality download here. Great hard to find manuals at a reasonable price.
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I had a problem with the mains transformer, I did not know the voltages on the secondary, this manual helped me to solve this problem, thanks for the manual!
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Great manual, great quality copy, complete parts reference and scematics, Thank you
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Very good as always. Also this manual appears clear and well processed. I know it will help me to work on this TV. Thank you a lot! Matteo
AH-A189E AH-A249E
For AH-A249E/AU-A249E The room is not cooled at all or not cooled. The compressor does not operate.
Push the button "TEST RUN" on the indoor unit, and wait 3 minutes.
Using a tester, measure voltage at the terminals on the terminal board.
Is the voltage between terminal "N" and" 3 " of the terminal board in the outdoor unit the power supply voltage ? YES
NO
YES
Is the voltage between terminal "N" and " 0 " of RY4 in the outdoor unit the power supply voltage ? NO
Measure resistances of TH1 and TH2.
Replace the PWB ass'y with a new one.
Replace the relay RY4 in the outdoor unit with a new one. Are the resistances conformed Fig. 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 be leaked. The outdoor fan motor may be defective. The outdoor fan motor capacitor may be defective.
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