Daikin Sensira Series Service Manual page 73

FTXF20~71A + FTXF20~25B + FTXF20~42C + ATXF20~71A + ATXF20~42C
+ RXF20~71A + RXF20~60B + RXF20~42C + ARXF20~71A + ARXF20~42C
Split Sensira R32
ESIE18-12E – 2021.02
4 Turn ON the power of the unit.
5 Use the remote control to activate the inverter test:
▪ Press the centre of
▪ Press to select T (test run mode).
▪ Press to select FAN mode.
▪ Press to start power transistor check operation.
CAUTION
Make sure that the Faston connectors are disconnected from the compressor wire
terminals and connected to the Inverter Analyzer before starting the power
transistor check operation. If NOT, power transistor check operation may damage
the compressor.
INFORMATION
Wait for 3 minutes for the power transistor check operation to start.
6 All LED's on the Inverter Analyzer must lit.
7 Turn off the respective circuit breaker.
8 Wait a few minutes and confirm that the LED's of the Inverter Analyzer are off.
9 Disconnect the Inverter Analyzer from the Faston connectors.
10 Connect the Faston connectors to the wire terminals U, V and W of the
compressor.
INFORMATION
Use the notes made during disconnection to connect the compressor wiring to the
correct wire terminals of the compressor.
All LED's of the inverter analyzer are lit
during inverter test?
Yes
No
and simultaneously.
Action
Return to "2.7.1 Checking
procedures" [
and continue with the next procedure.
Replace the inverter PCB, see
"2.7.2 Repair
2 Components
|
4
72] of the inverter PCB
4
procedures" [ 74].
Service manual
73