TM 5-3820-276-10-2
OPERATOR MAINTENANCE
ELECTRIC BRAKE CONTROLLER DISPLAY ABNORMAL/TRAILER BRAKE OPERATION ABNORMAL -
WATER WELL DRILLING RIG (WWDR)
INITIAL SETUP:
References
Equipment Condition
Volume 1, WP 0013
Engine off (Volume 1, WP 0012)
Volume 1, WP 0052
Trailer disconnected (Volume 1, WP 0052)
TROUBLESHOOTING PROCEDURE
ELECTRIC BRAKE CONTROLLER DISPLAY ABNORMAL/TRAILER BRAKE OPERATION ABNORMAL -
WWDR
SYMPTOM
Display on electric brake controller abnormal.
MALFUNCTION
Display on electric brake controller abnormal.
CORRECTIVE ACTION
NOTE
Display on electric brake controller will display current status of system whenever
power is available to cab of vehicle. Normal display on electric brake controller is
blank when no trailer is connected to vehicle. When manual control switch is
pushed inward, a decimal point is displayed on electric brake controller.
Position manual control switch inward and verify if decimal point is displayed on electric brake
controller.
0113-1
02/13/2013root(tswp)wpno(T10080)