(2) Do the related trouble shooting (Ref. 30-ECAM Page Block 101).
 Left Windshield Cracking or Arcing
 1. Possible Causes
_______________
 - WINDSHIELD-L (3DG1)
 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 30-42-00-710-001 Operational Test of the Windshield Anti-Icing and
 Defogging AMM 56-11-11-000-001 Removal of the Windshield AMM 56-11-11-400-001 Installation of the Windshield
 3. Fault Confirmation
__________________
 A. Test
 (1) Do the operational test of the windshield anti-icing and defogging (Ref. AMM TASK 30-42-00-710-001).
 4. Fault Isolation
_______________
 A. If the test gives the maintenance message TEST OK:
 - replace the WINDSHIELD-L (3DG1) (Ref. AMM TASK 56-11-11-000-001) and (Ref. AMM TASK 56-11-11-400-001).
 NOTE : Do not remove the WHC 1 (2DG1).
____
 B. Do the test given in Para. 3.A.
 Right Windshield Cracking or Arcing
 1. Possible Causes
_______________
 - WINDSHIELD-R (3DG2)
 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 30-42-00-710-001 Operational Test of the Windshield Anti-Icing and
 Defogging AMM 56-11-11-000-001 Removal of the Windshield AMM 56-11-11-400-001 Installation of the Windshield
 3. Fault Confirmation
__________________
 A. Test
 (1) Do the operational test of the windshield anti-icing and defogging (Ref. AMM TASK 30-42-00-710-001).
 4. Fault Isolation
_______________
 A. If the test gives the maintenance message TEST OK:
 - replace the WINDSHIELD-R (3DG2) (Ref. AMM TASK 56-11-11-000-001) and (Ref. AMM TASK 56-11-11-400-001).
 NOTE : Do not remove the WHC 2 (2DG2).
____
 B. Do the test given in Para. 3.A.
 Loss of the Identification of the Left or Right Side by the WHC 1 (2DG1)
 1. Possible Causes
_______________
 - WHC-1 (2DG1)
- wiring
 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM  30-42-34-000-001 Removal of the Window Heat Computer (WHC) (2DG1,2DG2). AMM 30-42-34-400-001 Installation of the Window Heat Computer (WHC) (2DG1,2DG2).
 3. Fault Confirmation
__________________
 A. Test
 Not Applicable
 4. Fault Isolation
_______________
 A. If the fault is identified by the maintenance message:
 X WINDSHIELD SENSOR
(1) Remove the WHC-1 (2DG1) (Ref. AMM TASK 30-42-34-000-001).
(2) Do a check for 28VDC at pins C and S of the connector 2DG1-B on the wiring side at the same time.
(a) If there is 28VDC at pins C and S at the same time:
- there is an unwanted 28VDC at pin S
- repair the wiring.
(b) If there is no 28VDC at pins C and S at the same time:
 - replace the WHC-1 (2DG1) (Ref. AMM TASK 30-42-34-000-001) and (Ref. AMM TASK 30-42-34-400-001) Loss of the Identification of the Left or Right Side by the WHC 2 (2DG2)
 1. Possible Causes
_______________
 - WHC-2 (2DG2)
- wiring
 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM  30-42-34-000-001 Removal of the Window Heat Computer (WHC) (2DG1,2DG2). AMM 30-42-34-400-001 Installation of the Window Heat Computer (WHC) (2DG1,2DG2).
 3. Fault Confirmation
__________________
 A. Test
 Not Applicable
 4. Fault Isolation
_______________
 A. If the fault is identified by the maintenance message:
 X WINDSHIELD SENSOR