LOW PRESSURE WARNING BUZZER WILL NOT SOUND.

TM 5-2420-224-20-1

Table 3-5. Troubleshooting (Cont)

Malfunction

Test or Inspection

Corrective Action

ELECTRICAL SYSTEM (CONT)

40. LOW PRESSURE WARNING BUZZER WILL NOT SOUND.

NOTE

� Vehicle MASTER disconnect switch must be ON, ignition switch set to ON, and air

pressure relieved. Failure to do so will cause erroneous results.

� Refer to wiring diagram for all wiring repair steps.

Check for +24 VDC between wire 33 (1) and ground at low pressure warning buzzer

(2).

� If +24 VDC is present, disconnect connector (3) and replace

low pressure warning buzzer.

� If +24 VDC is not present, repair wiring 33 between indicator

(gage) and low pressure warning buzzer.