User Manual

VTS2000 Series frequency inverter
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fault
RS485 channel interference
Check whether the communication connection is
shielded and whether the wiring is reasonable. If
necessary, consider connecting parallel filter
capacitors
Communication timeout
Retry
ECCF
Current detection
fault
Current sampling circuit fault
Ask service from the manufacturer
Auxiliary power fault
EEEP
EEPROM read
and write fault
EEPROM fault
Ask service from the manufacturer
EPAO
Burst fault
Feedback pressure is less than low pressure
detection threshold or greater than or equal
to high pressure detection threshold
Check the feedback connection or adjust the
detection high and low pressure threshold
EPOF
Dual CPU
communication
fault
CPU communication fault
Ask service from the manufacturer