Instruction manual

P84905-001 G
Sheet 18 of 37
BATTERY MAINTENANCE
Battery Replacement: Replace with new batteries every four (4) years or as needed if battery will no longer accept full
charge. Two 12V batteries are required for 24VDC.
The Power supply is now operational. Table 4 is a list of the LED indicators on the Power Supply/Battery Charger PC
board. Table 4 is a list of the LED indicators on the Control PC board. Amber LED indicators always indicate a trouble
condition. If amber LED indicator(s) light turn to the troubleshooting section for resolution.
5.0 TROUBLESHOOTING:
THE PS-8 POWERPATH CONTAINS VOLTAGES THAT CAN CAUSE DEATH OR SERIOUS
INJURY. ALWAYS OBSERVE PROPER ELECTRICAL SAFETY PRECAUTIONS AND
WARNINGS.
Always follow good troubleshooting procedures:
 When trouble occurs, observe all visual indications and note them Refer to the interior door label.
 If the problem is obvious or it can be located on the Troubleshooting Table, note it. Refer to the interior door label.
 Always de-energize the POWERPATH completely (Remove both AC and DC power) before repairs.
 While the POWERPATH is de-energized, perform a visual and hands on check of all terminals and wires to ensure
proper termination.
 If intermittent troubles occur, use the trouble latch (SW2 Position 4) to find it.