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[ IX Troubleshooting ]
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HWE0803A GB
Troubleshooting flow chart for solenoid valve body
6
6
5
4
3
2
1
5
4
3
2
1
2
5
1
3
4
6
To
LEV
LED10 k
Start
Brown
Red
Blue
Orange
Yellow
White
Brown
Red
Blue
Orange
Yellow
White
OK?
NO
YES
OK?
NO
YES
Repair the fault.
Repair the fault.
OK?
NO
YES
OK?
NO
YES
Replace LEV.
OK?
NO
YES
Replace LEV.
Replace LEV.
OK?
NO
YES
Replace the board in trouble.
Completed
Check for pins not fully inserted on the connector
and check the colors of the lead wires visually.
Intermediate connector
Control board
Check that no refrigerant
leaks from LEV.
Pull out the connector from the board, and check
that the electricity runs with a tester.
The wiring side of CN05 and 07: Among 1, 3 and 5,
and among 2, 4 and 6
Check the resistance between each coil
with a tester (between red and white,
red and orange, brown and yellow and
brown and blue), and check that the
resistance is 150 within 10%.
Connect the LED for check,
which is as shown in the
right figure, to the board
connector, and check that
the LED keeps lighting for
10 seconds.
When LEV is fully closed : tick sound
When LEV is fully open : no sound
Check the above.