TECO T-Verter E2-2P2-H1F - Troubleshooting and Maintenance; Malfunction Indications and Countermeasures

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Malfunction Indications and Countermeasures
1. Manual reset inoperative malfunctions
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. Examine 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
2. Manual reset operative malfunctions (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 F_18 setting
1. Increase capacity of motor
2.
A
djust to use a proper V/F curve
setting
3. Adjust F_18 according to
instruction
Inverter over-load
1. Loading too large
2. Improper V/F model setting
1. Increase capacity of inverter
2.
A
djust to use a proper V/F curve
setting
CPF
EPR
OV
LV
OH
OC
OL1
OL2