Table of Contents
5
4.2.1. Digital Display .................................................................................................................. 31
4.2.2. LEDs ................................................................................................................................. 31
4.2.3. Buttons .............................................................................................................................. 31
4.3. Digital Display Operation ........................................................................................................... 32
4.3.1. Metering Screen ................................................................................................................ 32
4.3.2. Energy Records Screen ..................................................................................................... 32
4.3.3. Reset Energy Records Screen ........................................................................................... 32
4.3.4. Faults Screen ..................................................................................................................... 32
4.3.5. Fault Records Screen ........................................................................................................ 32
Figure 4-1: M3645 Screen Tree ............................................................................................................. 32
4.4. Faults .......................................................................................................................................... 33
Table 4-1: Blink Codes .......................................................................................................................... 33
4.4.1. Feedback Undervoltage .................................................................................................... 33
4.4.2. Overtemperature ............................................................................................................... 33
4.4.3. DC Overvoltage ................................................................................................................ 33
4.4.4. Differential Overvoltage ................................................................................................... 33
4.4.5. Sync Loss .......................................................................................................................... 34
4.4.6. IGBT Driver ...................................................................................................................... 34
4.4.7. Phase 1-3 Overcurrent ...................................................................................................... 34
4.4.8. Phase Loss......................................................................................................................... 34
4.4.9. DC Undervoltage .............................................................................................................. 34
4.4.10. Regen Power-On/Precharge Not Complete ...................................................................... 34
4.4.11. Frequency Detect Failure .................................................................................................. 34
4.5. Input / Output Connections ......................................................................................................... 35
4.5.1. Local I/O +24V Supply- TB2-1 & TB2-5 ........................................................................ 35
4.5.2. Enable Input - TB2-2 ........................................................................................................ 35
4.5.3. Fault Recall Input -TB2-3 ................................................................................................. 35
4.5.4. Input COM -TB2-4 ........................................................................................................... 35
4.5.5. Ready Output - TB2-6 ...................................................................................................... 35
4.5.6. Overtemperature Output - TB2-7 ...................................................................................... 35
4.5.7. Output COM - TB2-8 ....................................................................................................... 35
4.6. Startup ......................................................................................................................................... 36
4.6.1. Pre-power Checks ............................................................................................................. 36
4.6.2. Startup Procedure and Checks .......................................................................................... 36
4.6.3. Cooling Fan....................................................................................................................... 36
5. MAINTENANCE AND TROUBLESHOOTING ...............................................................................37
5.1. Periodic Testing .......................................................................................................................... 37
5.2. Maintenance Items ...................................................................................................................... 37
5.3. Troubleshooting .......................................................................................................................... 37
5.3.1. POWER LED is not on, or Digital Display is not active: ................................................. 37
5.3.2. READY output will not close ........................................................................................... 37
5.3.3. Unit will not respond to ENABLE command ................................................................... 37
5.3.4. Drive trips on DC Bus Overvoltage during braking ......................................................... 37
5.3.5. Feedback Undervoltage .................................................................................................... 38
5.3.6. Overtemperature ............................................................................................................... 38
5.3.7. DC overvoltage on Regen ................................................................................................. 38
5.3.8. Differential Overvoltage ................................................................................................... 39
5.3.9. Sync Loss .......................................................................................................................... 39
5.3.10. IGBT Driver ...................................................................................................................... 39
5.3.11. Phase Overcurrent ............................................................................................................. 39
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