| Symptom | Problem | Solution |
|
Coupler does not lock.
| Air system leak. |
Check air lines, air
seals, and valves.
|
| |
Proximity sensors don’t sense nurse coupler.
|
Clean proximity sensors
and check function.
|
| |
Debris on poppet or coupler prevent full engagement
of couplers.
|
Remove debris.
|
| |
Inadequate air capacity to inflate air seal at startup
due to other system demand such as foam marker and auto air suspension.
|
Wait 1 to 2 minutes
for air systems to reach full capacity or turn foamer off at startup.
|
| |
Arming switch not activated.
|
Activate arming switch
on front coupler.
|
| |
Debris on proximity sensors.
|
Clean proximity sensors.
|