GE VAT20 User Manual

36
3.4. Malfunction indication and countermeasure
3.4.1. Manual reset inoperative faults
INDICATION CONTENT POSSIBLE CAUSE COUNTERMEASURE
Program error Outside noise interference Place a RC surge absorber in
parallel with the noise
generating magnetic contact
EEPROM error
EEPROM defective Replace EEPROM
Voltage too
high while not
operating
1. Power source voltage
too high.
2. Detection circuitry
defective
1. Examining the power supply
2. Return the inverter for repair
Voltage too low
while not
operating
1. Power source voltage
too low.
2. Detection circuitry
defective.
1. Examining the power supply
2. Return the inverter for repair
Inverter over
heat while not
operating
1. Detection circuit defective.
2. Environment over-heat or
poor ventilation
1. Return the inverter for repair
2. Improve ventilation
3.4.2. Manual reset operative faults (Auto-Reset inoperative)
INDICATION CONTENT POSSIBLE CAUSE COUNTERMEASURE
Over-current at
stop condition
Detection circuit
malfunction
Return the inverter for repair
Motor over-load 1. Loading too large
2. Improper V/F model setting
3. Improper Fn_18 setting
1. Increase capacity of motor
2. Adjust to use a proper V/F curve
setting
3. Adjust Fn_18 according to
instruction
Inverter over-load 1. Loading too large
2. Improper V/F model setting
1. Increase capacity of inverter
2. Adjust to use a proper V/F curve
setting
CPF
EPR
OV
LV
OH
OC
OL1
OL2

GE VAT20 Specifications

General

Brand	GE
Model	VAT20
Category	Inverter
Language	English