Daikin FTXS09HVJU - Capacitor Voltage Check

Check SiUS04-904
Service Diagnosis 149
5.1.9 Inverter Units Refrigerant System Check
Check No.11
5.1.10 Capacitor Voltage Check
Check No.12 Before this checking, be sure to check the main circuit for short-circuit.
 Checking the capacitor voltage
 With the circuit breaker still on, measure the voltage according to the drawing of the model in
question. Be careful never to touch any live parts.
Refrigerant system check
Check for refrigerant leakage.
See the section on refrigerant
shortage detection.
(R8314)
YES
NO
Correct the problem.
Replace the refrigerant.
Is
the discharge
thermistor disconnected
from the holder?
Fan motor
lead wire
Four-way valve
lead wire
Thermistor
lead wire
OL
lead wire
Reactor
lead wire
Compressor
lead wire
TB2
>PS<
TB3
P2 N1
S90 S92 S93
S80
S20 S21 S22
S40
(R5473)
Use the tester
in the DC range.