ESIE13-02
Error Codes: Outdoor Units
123
Part 4 – Troubleshooting
4
3
4
5
4
Graphs
Caution
Be sure to turn off power switch before connect or disconnect connector, or parts damage may be
occurred.
Outdoor unit PC board A1P
GND
+5V
Pressure sensor
X17A
Microcomputer
A/D input
*2 Measure voltage here.
4
3
2
1
Red
Black
White
(V2809)
Output voltage V
PL: detected pressure (Mpa)
V: output voltage (V)
1.5
1.0
0.5
0
-
0.5
0
-0.5
0.5
1
1.5
2
2.5
3
3.5
4
Vcc
PL=0.57V-0.28
PL
Detected pressure PL (MPa)