Fujitsu ABYG18KRTA, Service Manual

Page: 133 / 196

4-8. Discharge pressure sensor
¢
Models: AOYG36KBTB and AOYG45KBTB
Check point 1. Check voltage from main PCB
With the connector connected to the PCB, measure the voltage between P20:2-3
of the Main PCB.
1 1
3 3
WHITE
PRESSURE
SENSOR
(HIGH)
BLACK
2 2
RED
PS
P20
Characteristics of pressure sensor
4.5
725 / 5.0
0.5
0
O
u
tp
u
t
[V]
Pressure psi / MPa
psi 0.0 14.5 29.0 43.5 58.0 72.5 101.5 116.0 130.5 145.0
MPa 0.0 0.10 0.20 0.30 0.40 0.50 0.60 0.80 0.90 1.00
Output
(V)
0.50 0.58 0.66 0.74 0.82 0.90 1.06 1.14 1.22 1.30
psi 174.0 203.0 232.0 261.0 290.0 319.0 343.0 377.0 406.0 435.0
MPa 1.20 1.40 1.60 1.80 2.00 2.20 2.40 2.60 2.80 3.00
Output
(V)
1.46 1.62 1.78 1.94 2.10 2.26 2.42 2.58 2.74 2.90
psi 464.0 493.0 522.0 551.0 580.0 609.0 638.0 667.0 696.0 725.0
MPa 3.20 3.40 3.60 3.80 4.00 4.20 4.40 4.60 4.80 5.00
Output
(V)
3.06 3.22 3.38 3.54 3.70 3.86 4.02 4.18 4.34 4.50
4-8. Discharge pressure sensor
- (03-59) -
4. Service parts information
TROUBLESHOOTING TROUBLESHOOTING