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Daikin VRV III-S RXYMQ36 48PVJU Service Manual Page 229

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SiUS34-907
CHECK 11
Method of Replacing the Inverter's Power Transistors Modules
Checking failures in power semiconductors mounted on inverter PCB
Check the power semiconductors mounted on the inverter PCB by the use of a multiple tester.
<Items to be prepared>
h Multiple tester : Prepare the digital type of multiple tester with diode check function.
<Preparation>
h Turn OFF the power supply. Then, after a lapse of 10 minutes or more, make measurement of resistance.
h To make measurement, disconnect all connectors and terminals.
Inverter PCB
220
Troubleshooting

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  • cp shukla Feb 16, 2016 06:50:
    RXYQ18PAY6 service manual & vrv Fulform