Isuzu FVM - Page 294

4-160
CONTROLS AND INSTRUMENTS
Failure condition: Loss of air pressure
Action Status Inspection and action
Idle the engine
and refill with air.
The buzzer stops.
Inspect for air leakage. If found,
immediately discontinue use and
contact the nearest Isuzu Dealer.
The buzzer continues to sound,
or stops for a moment and then
immediately starts again.
There may be air leakage.
Immediately discontinue use and
contact the nearest Isuzu Dealer.
If a warning sounds and the brake lock indicator light turns off while the brake lock is in
operation, immediately return to the driver's seat and perform the following inspection.
1. A warning buzzer sounds and the brake lock indicator light (green) turns off.
Troubleshooting
Failure condition: Loss of brake hydraulic pressure
Action Status Inspection and action
Depress the
brake pedal.
The buzzer stops, and the brake
lock indicator light illuminates.
Inspect the brake fluid amount and
for leakage.
Add brake fluid if it is low, and in
the case of leakage, immediately
discontinue use and contact the
nearest Isuzu Dealer.
The brake lock indicator light
remains off and the buzzer
continues to sound, or stops for
a moment and then immediately
starts again.
There may be brake fluid leakage.
Immediately discontinue use and
contact the nearest Isuzu Dealer.
The brake lock indicator light
illuminates, but the buzzer does
not stop.
Refer to step 2.
2. A warning buzzer sounds and the brake lock indicator light (green) is illuminated.
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