Operating instructions
Table of Contents,
continued
7. OPERATION 29
7.1 Power Module Start-up and Testing
7.1.1 AC Line Operation (LINE)
7.1.2 Inverter Operation (STANDBY)
7.2 Identifying Modes of Operation
7.2.1 AC Line Operation
7.2.2 Inverter Operation
7.2.3 Self-test / Transfer Mode
7.2.4 Test Fail
7.3 Power Module Shutdown
8. PREVENTIVE MAINTENANCE 33
8.1 Check Battery Terminals and Connecting Wires
8.2 Check Battery Open Circuit Voltage
8.3 Check Battery Voltage Under Load
8.4 Check Battery Charger (FLOAT) Voltage
8.5 Check Battery Charger (EQUALIZE) Voltage
8.6 Check Output Voltage
8.7 Check Output Current
8.8 APM Manual Self-Test
8.8.1 "Test" LED ON
8.8.2 "DC" LED ON
8.8.3 "AC" LED ON
8.8.4 "EQU" LED ON
8.9 Logic Card Maintenance
8.10 Internal Fuse Replacement
8.11 Additional Maintenance
9. TROUBLE-SHOOTING AND REPAIR 37
9.1 Repair Instructions
9.2 Parts Ordering Instructions
9.3 Common Parts for AM / AP Series Standby Power Supplies
9.4 Trouble-shooting Guide
10. WARRANTY 44
iii
The AM / AP Series Standby Power Supply










