5-2 MASTERFLEX
®
Digital Pump Drive Operating Manual Masterflex
Section 5
Troubleshooting
Error #2 No Encoder Counts
Description: The drive has exceeded commanded speed value.
Error Condition(s): The motor has exceeded the commanded speed value
by 20%.
Actions: Drive will stop immediately. Verify load is correct and power
cycle drive. If error persists consult factory.
Error #3: Average Over-Current
Description: Motor is drawing too much current for a short duration
of time.
Error Condition(s): The motor current is above maximum average current.
Actions: Drive will stop immediately. Verify that pump head is not
binding and that the load is not above recommended
maximum load. If error persists consult factory.
Error #6: Power Supply Under Voltage
Description: The measured DC voltage reported by the drive is too low.
Error Condition(s): The drive voltage is below minimum supply volts.
Actions:
The pump will stop immediately, check the supply line voltage.
NOTE: This error when displayed during power down is considered
normal and proper. If error persists consult factory.
Error #7: Power Supply Over Voltage
Description: The measured DC voltage reported by the drive is too high.
Error Condition(s): The drive voltage is above maximum supply volts.
Actions: T
he pump will stop immediately, check the supply line voltage.
If error persists consult factory.
Error #9 Motor Overspeed
Description: The drive has exceeded commanded speed value.
Error Condition(s): The motor has exceeded the commanded speed value
by 20%.
Actions: Drive will stop immediately. Verify load is correct and power
cycle drive. If error persists consult factory.
Error Definitions
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