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

60 hz.
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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.
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

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