Daikin 2MXM50M Service Manual page 55

ESIE16-02B | Part 2. Troubleshooting
5. In case no voltage is measured across high pressure sensor connector: pin 1-3; do following checks:
I
NFORMATION
If 1 or more checks fail, replace the high pressure sensor.
Check 1
1. Check main PCB (refer to
Check 2
1. Check if the high pressure sensor connector is plugged into PCB.
Check 3
1. Measure the voltage across high pressure sensor connector: pin 4-3; the measured voltage must be 5 VDC, if not replace
PCB.
4/04/17 | Version 1.1
RA R32 Split & multi split M-Series
Outdoor unit PCB
+5V
GND
Measure DC voltage here
Microcomputer
A/D input
"Replacing main PCB" on page
S60
Red
4
Black
3
2
White
1
84).
2.4. Component checklist
Page 55