Refer to WP 0004 00 for additional troubleshooting guidance, information, and illustrations that locate
Table 1. Air System and Brakes Troubleshooting Procedures.
TEST OR INSPECTION
1. Brake Air Pressure Low Alert Indicator,
Action Light and Action Alarm Come On
When the action alarm sounds, immediate shutdown of the machine is required to prevent injury to per-
sonnel and/or severe damage to the machine.
Alarm and lights operate until air pressure is above 65 psi (448 kPa).
If indication is less than 65 psi
(448 kPa), go to test step 2.
indication less than 65 psi
2. Perform Air Leakage Checks
Repair any leaks found during
Air Leakage Checks. If problem
still exists, go to test step 3.
3. Perform EMS Air System
Repair/replace any faulty
components as specified in
a. If indicator light comes on, go
2. Parking Brake Alert Indicator Does Not Come
1. Press EMS panel test switch
to MALFUNCTION 3 below
On When Parking Brake is Engaged.
UP and check if indicator
to check parking brake.
light comes on. Release
b. If indicator light does not
come on, go to test step 2.
2. Check for loose connection at
a. Tighten loose connection.
b. If problem still exists, go to
test step 3.
3. Check if alert indicator light
Replace indicator light (WP
is burned out.