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.