1)  If light does not illuminate, door sensor is adjusted too far from actuator and should be readjusted.

(n)  
Remove F80165-2 chassis assembly and reinstall miscellaneous switching module.

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C.  Door Warning Circuits Test
(1)  General
(a)  The complete door warning system test should be performed in the sequence given during periodic system tests or after the door warning module or door warning module printed circuit board is replaced. Otherwise, only that portion of the system test applicable to the affected door circuit needs to be performed to assure proper operation after adjustment.
CAUTION:  TO LESSEN THE POSSIBILITY OF HEAT DAMAGE, AND AT THE SAME TIME PROLONG LAMP LIFE ON ALL INDICATORS, THE MASTER SWITCH SHOULD BE PLACED IN THE "DIM" POSITION DURING EXTENDED PERIODS OF GROUND OPERATION.
NOTE:  Doors not being tested should be closed and locked or simulated locked so the associated lights on the door-warning module are extinguished.
(2)  
Prepare to test door-warning circuits.

(a)  
Provide electrical power to airplane.

(b)  
Check that the following circuit breakers on panel P6 are closed. 1) MASTER CAUTION BUS-BAT. 2) DOOR WARNING DC. 3) DIM AND TEST. 4) Nine circuit breakers under heading INDICATOR-MASTER DIM.

(c)  
Depress left master caution annunciator cap on P7.

(d)  
Check that both MASTER CAUTION lights and all of lamps in both master caution annunciators come on when cap is depressed and all lamps go out when cap is released.

(e)  
Open MASTER CAUTION BUS-BAT circuit breaker.

(f)  
Close MASTER CAUTION BUS - NO 1 circuit breaker on P6.

(g)  
Depress right master caution annunciator cap.

(h)  
Check that both MASTER CAUTION lights and all of the lamps in both master caution annunciators come on when cap is depressed and all lamps go out when cap is released.

(3)  
Test Door Warning Circuits.

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(a)  Forward entry door warning circuit test.
1) With forward airstairs door closed, unlock forward entry door
2) Check that the following lights come on.

a)  FWD ENTRY light on P5
b)  AIR STAIR light on P5
c)  Both MASTER CAUTION lights
d)  DOORS lamp of master caution annunciator
3)  Lock forward entry door and check that lights go out.
(b)  Forward Galley Service Door Warning Circuit Test
1) Unlock forward galley service door.
2) Check that the following lights come on.

a)  FWD SERVICE light on P5
b)  Both MASTER CAUTION lights
c)  DOORS lamp of master caution annunciator
3)  Position LIGHTS TEST switch on P2-1 to DIM.
4)  Check that the above lights dim.
5)  Position LIGHTS TEST switch to BRT.
6)  Check that the above lights return to original brightness.
7)  Depress left MASTER CAUTION light cap.
8)  Check that both MASTER CAUTION lights and DOORS light go out and FWD
SERVICE LIGHT REMAINS ON.
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9) Depress and release left master caution annunciator cap. a) Check that while cap is depressed, all master caution annunciator lamps and both MASTER CAUTION lights come on.
b)  Check that when cap is released, DOORS lamp of master caution annunciator, both MASTER CAUTION lights and FWD SERVICE light remains on.
10) Depress right MASTER CAUTION light cap.
11) Check that both MASTER CAUTION lights and DOORS light go out and FWD

SERVICE light remains on. 12) Repeat step (9) for right master caution annunciator cap. 13) Lock forward galley service door and check that the following lights go out.
a) FWD SERVICE
b) Both MASTER CAUTION lights
c) DOORS

(c)  
Aft Galley Service Door Warning Circuit Test 1) Unlock aft galley service door. 2) Check that both MASTER CAUTION lights, DOORS lamp and AFT SERVICE

light come on.
3) Lock aft galley service door.
4) Check that all lights go out.

(d)  
Forward Cargo Compartment Door Warning Circuit Test 1) Repeat step (c) for forward cargo compartment door.
　
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