TB Wood's WFC1000 Series, Installation, Operation And Maintenance Instructions

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F01 Noise on Power Line
F02 Excessive Ambient Electrical
Noise or an Invalid 59-MVOLT
Setting
F03 Excessive DC Bus Current
F04 Logic Power Supply Overload
F05 No DC Bus Voltage
F06 Output Short Circuit or Ground
Fault
F07 External Fault Mechanism (i.e.
Motor Overload Relay [MOL]
Tripped)
F08 Option Board Fault
F10 Auto-Restart (68-NRST)
Number Exceeded
F11 Ground Fault
F12 External Interference
F13 Overvoltage on DC Bus
F14 Undervoltage on DC Bus
F15 DB Overload
F16 Acceleration Overcurrent
F17 Deceleration Overcurrent
55
7.2 Troubleshooting
FAULT
NUMBER
CAUSE REMEDY
1. Reset the drive using the stop key or remote reset.
2. Remove power, wait for the BUS CHG indicator to extinguish
and re-establish power.
3. If the problem persists, install a line noise filter.
1. Verify the proper use of shielded wire for remote signal
connections.
2. Remove power, wait for the BUS CHG indicator to extinguish
and re-establish power.
3. Verify the setting of 59-MVOLT and reset to a valid number.
1. Verify the proper sizing of the inverter for the driven load.
2. Determine the reason for the overload.
1. Check for/reduce excessive load on the +24 VDC supply.
2. Remove power 10-15 min.; then reapply.
1. Check for proper source voltage.
2. Check for DB component or output transistor failure.
3. Check for shorted DC bus.
4. Remove power 10-15 min.; then reapply.
1. Check motor wiring. 4. Increase 53-FKNEE value.
2. Extend the acceleration time. 5. Isolate line and load wires.
3. Reduce 52-BOOST value. 6. Consult factory.
1. Check connections on MOL terminal.
2. Verify the sizing of MOL.
3. Check motor temperature.
1. Verify the proper connection and usage of applicable option
board.
1. Check the fault log (07-FLT3, 08-FLT2, and 09-FLT1).
2. Institute corrective action for those faults.
1. Check motor wiring.
2. Extend the acceleration time.
3. Check for and remove any capacitive load.
4. Reduce 52-BOOST value.
5. Increase 53-FKNEE.
6. Isolate line and load wires.
7. Check for output contactor. (See Section 6.3.)
1. Verify line voltage.
2. Look for electrical noise sources in proximity to the drive. (See
Section 2.6.)
3. Install line reactor or isolation transformer.
4. Consult factory.
1. Motor is decelerating too quickly.
2. Check input line voltage.
3. Increase deceleration time or add optional external DB
package.
1. Verify applied line voltage.
2. Check for possible DB failure.
1. Reduce the braking duty cycle.
2. Verify line voltage.
3. Install optional external DB package.
1. Increase acceleration ramp time.
2. Check motor wiring for short circuit.
1. Increase deceleration ramp time.
2. Install optional external DB package.
TABLE 7.2 (continued on next page)
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