STEMCO Aeris Inflation System Troubleshooting - Manual (Page 16)

Aeris System Troubleshooting
Sept 2013
Page 16 of 18
Continued from Page 15
Condition: Tires are not within a few PSI of each other after light goes off after power up.
Possible causes: Kinked or damaged ¼ inch air line. Incorrect valve core in hose or damage hose check valve.
(From Previous Page)
Low or no air flow
detected with hose
removed from tire
valve stem.
¼” air line is restricted
between RAU & control
box. Check line in axle
tube and work backwards.
Repair as needed.
Yes
No
Remove RAU from hub
and disconnect the ¼” air
line. Is high volume of air
flow detected?
RAU is damaged,
replace RAU hose
Verify repairs
by completing
Power on Test
Verify repairs
by completing
Power on Test