Method Of Replacing Inverter's Power Transistors Modules - Daikin RMXS-L Series Service Manual

Method of Replacing Inverter's Power Transistors Modules

10.Method of Replacing Inverter's Power Transistors
Modules
Check the power semiconductors mounted on the main PCB (A1P) with a multiple tester.
<Items to be prepared>
 Multiple tester : Prepare the digital type of multiple tester with diode check function.
<Preparation>
 Turn OFF the power supply. Then, after a lapse of 10 minutes or more, make measurement of
 To make measurement, disconnect all connectors and terminals.
Main PCB (A1P)
227
resistance.
C –
C +
SiUS181305E
W
V
U
(R13060)
Troubleshooting