Safety - Section 20 OM2030 Page 20-20 11. If the red lights on the exterior of the control cabinet and/or the back wall of the operator's cab continue to be illuminated after following the above procedure, a fault has occurred. Leave all cabinet doors in place; do not touch the retard grid elements; do not disconnect any power cables, or use them as hand or foot holds. Notify your Komatsu service representative, immediately. Only qualified personnel, specifically trained for servicing the AC drive system, should perform this service. 12. If the red lights on the blower control panel are illuminated after following the above procedure, a fault has occurred .
Reinstall the control cabinet panel. Do not perform maintenance on the blower control panel, blower motor power cables. Notify your Komatsu service representative, immediately. Only qualified personnel, specifically trained for servicing the AC drive system, should perform this service. 13. Replace all covers and doors and place the GF cutout switch and battery disconnect switches in their original positions. Reconnect all harnesses prior to starting the truck. Leave the drive system in the “rest” mode until the truck is to be moved.