Environmental cupboard

Question 1

SI SSF

Answer 1

Isolates speed switch detection fault

Used to clear fault with the SFR and SSD circuits. Turns off buzzer in leading cab and BIL lights on affected vehicles.

Question 2

DCBC
DCBF
DCBE
DCBB

Answer 2

Loss of interlock and BIL lights, doors still respond to door buttons.

Question 3

Door control 3

Answer 3

Loss of control on ALL four doors on vehicle, BIL lights illuminate.

Question 4

Brake heater

Answer 4

Isolates heating element in Westcode brake unit under that DMS.

Question 5

Heating control

Answer 5

Loss of heating and ventilation in that DMS.

Question 6

Door control 1

Answer 6

Loss of control on ALL four doors on vehicle, BIL lights do not illuminate.

Question 7

Lighting 1

Answer 7

Isolates lighting circuits

Loss of half of main vehicle lighting.

Question 8

Lighting 2

Answer 8

Isolates lighting circuits

Loss of half of main vehicle lighting.

Question 9

Emergency lighting

Answer 9

Isolates emergency lighting circuits in that DMS