Display: 5 Flashing Lights
Type: Inflate Trend
Loss of channel pressure in
Damaged or leaking tire
Leaking wheel valve
Faulty Pneumatic Control Unit
* Possible causes are listed in order of likely occurrence.
An "Inflate Trend" code displays when tire pressure
readings are dropping while in inflate mode. Tire
damage, which the compressor can not keep up with,
may have occurred after starting an inflate sequence.
The air leak can be located either before or after the
wheel valve location. The components located before
the wheel valve that may cause this include:
Leaking control lines
Leaking Quick Release Valve exhaust
Leaking wheel air seals
Components located after the wheel valve that
may cause this include:
Leaking air Iines.
Faulty wheel valve
To correctly diagnose the faulty component, connect the
Diagnostic Tool (see Page 3-92.16 for test equipment
and descriptions) and follow the procedure in the Inflate
Trend troubleshooting tree.
See "Troubleshooting Tips" on page 3-92.15 for general
guidelines on system diagnostics.
3-92.24 Change 3