Clearing Stored Faults - WABASH COMMUNICATIONS MBS-1P Installation Manual

MBS-1P Installation

Clearing Stored Faults

To clear a stored fault, turn all power OFF to the ABS and perform the
following steps:
NOTE: This circuit can be powered with a suitable light tester or by
pulling down on the trailer brake lever in the cab.
NOTE: This circuit can be powered with a suitable light tester or by
turning the ignition ON and OFF on newer model tractors.
NOTE: This rapid flashing will occur even if no fault is present.
After the rapid flash sequence, the malfunction lamp will turn OFF and remain
OFF unless another stored fault exists.
The malfunction lamp will flash a fault code shortly after the rapid flash
sequence if more than one fault was stored in memory. After the appropriate
number of flashes, the lamp will turn OFF briefly, then repeat the flash
sequence. This will continue for one minute, giving personnel time to return
from the tractor cab to check the count. To identify the code, refer to the
Flash Code Identification Table.
NOTE: The ON and OFF periods for entering the above modes do not
have to be exactly one second. However, one should use slow and
deliberate motions when powering ON and OFF.
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1. Power the stop lamp circuit (red) and allow power to remain ON this
circuit until the faults have been cleared (see step 3 below). The
malfunction lamp will light with the stop lamps and turn OFF.
2. Power the auxiliary circuit (blue) for one second, power down for one
second, power back up for one second, power down for one second,
power up for one second, power down for one second, then power back
up and allow the power to remain ON (power ON four times).
3. The malfunction lamp will begin flashing rapidly for ten seconds signaling
the system is in the fault clear mode. The fault is actually cleared in the
first fraction of a second but the delay is designed to allow time for the
technician to confirm the fault clear mode was entered.
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