Daikin FTXP20-71L Service Manual page 93

To perform a power module check
ATXP20~35 + FTXP20~71 + ARXP20~35 + RXP20~71
Split Comfora R32
ESIE18-01E – 2023.01
Prerequisite: First check the rectifier voltage of the main PCB, see
4
procedures" [ 84].
Prerequisite: Stop the unit operation via the user interface.
1 Turn OFF the respective circuit breaker.
DANGER: RISK OF ELECTROCUTION
Wait for at least 10 minutes after the circuit breaker has been turned OFF, to be sure
the rectifier voltage is below 10 V DC before proceeding.
Power module IPM1 for compressor
1 Disconnect the compressor connector from the main PCB.
2 Check the power module IPM1 in reference with the image and the table
below.
A
A ARXP-L + ARXP-M + RXP-L + RXP-M + RXP50~71N units
a U
b V
c W
d DC+
e DC–
A
A ARXP20~35N + RXP20~35N units
3
e
d c b a
e
d a b c
Components
|
"3.7.1 Checking
Service manual
93