ELECTRICAL
Event Codes
212
M4.8-1055-002
03 Rev. 10/09
Capacitance
Due to capacitance voltage present in the ACCESS 3
traction control module and ACCESS 2 hydraulic con-
trol module, whenever performing maintenance which
may permit contact with the bus bars and associated
power cables, discharge the capacitors.
• Move truck to a secure non-traffic maintenance
area with a level floor.
• Lockout and tagout truck as described in Lockout -
Tagout in this section.
• Disconnecting the battery will discharge the capac-
itors. Once the dash display flashes, the capacitors
are discharged. Two alternative methods of dis-
charging these capacitors are to disconnect the
battery and hold the key switch in the "start" posi-
tion for 10 seconds or disconnect the battery and
connect a 200 ohm, 2 watt resistor between the
positive and negative terminals on the controller.
• Turn key switch to OFF, remove key.
Crown 2007 PF15665-2 Rev. 10/09
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