Check the IDS wire harness and air connections
1.
Check the IDS wire harness and air connections for leaks and damage.
„IDS component locator" auf Seite 2366
1
2.
Repair or replace as necessary.
Test the voltage to the relief valve on the ISS PCA (A8)
1.
Test the voltage to the relief valve on A8: 24 Vdc at J17 pins 2 to 3.
Is the voltage correct?
No
Yes
Test the voltage at the relief valve
1.
Test the voltage at the relief valve: 24 Vdc between the two pins.
1
Is the voltage correct?
1
No
Yes
Replace the relief valve
1.
Replace the relief valve.
1
2
„IDS-Überdruckventil" auf Seite 618
Check the wire harness between the relief valve and the ISS PCA (A8)
1
1.
Check the wire harness between the relief valve and A8. Repair and replace as needed.
Replace the ISS PCA (A8)
1.
Replace A8.
„ISS PCA (A8)" auf Seite 621
DEWW
C7.0B07: IDS system will not depressurize 1433