(2)
 On one MCDU, get the SYSTEM REPORT/TEST ICE & RAIN page (Ref. TASK 31-32-00-860-007).

 4. Procedure
_________ Subtask 30-42-00-710-051
 A. Operational Test to Read the CLASS 3 FAULTS
 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the MCDU, on the ICE & RAIN  The MCDU shows the WIND HEAT 1(2) menu. menu page:
 -Push the line key adjacent to
 the WINDOW HEAT CMPTR 1(2)
 indication.

 2.
 Push the line key adjacent to the  The MCDU shows NO FAULT. CLASS 3 FAULTS indication.

 3.
 On the MCDU, push the line key adjacent to the RETURN indication until the CFDS menu page comes into view.

 5. Close-up
________ Subtask 30-42-00-860-056
 A. Put the aircraft back to its initial configuration.
 (1) Do the EIS stop procedure
 (Ref. TASK 31-60-00-860-002)

 Subtask 30-42-00-862-051

 B. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).

 COMPUTER - WINDOW HEAT (WHC) (2DG1,2DG2) - REMOVAL/INSTALLATION
_______________________________________________________________
 TASK 30-42-34-000-001
 Removal of the Window Heat Computer (WHC) (2DG1,2DG2).
 1. Reason for the Job
__________________
 NOTE : The procedure is the same for the WHC1 (2DG1) and the WHC2 (2DG2).
____
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
 -------------------------------------------------------------------------------
No specific blanking caps
 No specific circuit breaker(s) safety clip(s)
 No specific access platform 2.5 m (8 ft. 2 in.)

 B. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
30-42-34-991-001 Fig. 401
 3. Job Set-up
__________
 Subtask 30-42-34-865-050
 A. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 2DG1
 122VU ANTI ICE/WINDOWS/L 4DG1 X14 122VU ANTI ICE/WHC/1 5DG1 X13
R 123VU ANTI ICE/L/WHSLD 1DG1 AF10 FOR 2DG2 122VU ANTI ICE/WINDOWS/R 4DG2 W14 122VU ANTI ICE/WHC/2 5DG2 W13

R 123VU ANTI ICE/R/WHSLD 1DG2 AF03

 Subtask 30-42-34-010-050

 B. Get Access
 (1)
 Put the access platform in position.

 (2)
 Open the access door 811.

 4. Procedure
_________
 (Ref. Fig. 401/TASK 30-42-34-991-001) Subtask 30-42-34-020-051
 A. Remove the Window Heat Copmputer.
 (1)
 Disconnect the electrical connectors (4) and (5) from the WHC (3). Put blanking caps on the disconnected electrical connectors (4) and (5).

 (2)
 Remove the screws (2) and the washers (1).

 (3)
 Remove the WHC (3).

 Window Heat Computer (WHC)
 Figure 401/TASK 30-42-34-991-001
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 TASK 30-42-34-400-001
 Installation of the Window Heat Computer (WHC) (2DG1,2DG2).

 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific  access platform 2.5 m (8 ft. 2 in.)
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
30-42-00-710-001  Operational Test of the Windshield Anti-Icing and Defogging 30-42-34-991-001 Fig. 401
　
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