TECO N310 Series - Troubleshooting and maintenance; Error display and corrective action; Faults which can not be recovered manually

Chapter 5 Troubleshooting and maintenance
5-1
Chapter 5 Troubleshooting and maintenance
5.1. Error display and corrective action
5.1.1. Faults which can not be recovered manually
Display Fault Cause Corrective action
Voltage too high
when stopped
Detection circuit malfunction Return the inverter
Voltage too low
when stopped
1. Power voltage too low
2. Pre-charge resistor or fuse
burnt out.
3. Detection circuit malfunction
1. Check if the power voltage is
correct
2. Replace the pre-charge
resistor or the fuse
3. Return the inverter
The inverter is
overheated
when stopped
1. Detection circuit malfunction
2. Ambient temperature too high
or bad ventilation
1. Return the inverter
2. Improve ventilation
conditions
Current Sensor
detection error
Current sensor error or circuit
malfunction
Return the inverter
EEPROM
problem
Faulty EEPROM Replace EEPROM
-OV-
-LV-
-OH-
EPR
CTER