
Chapter 5 Trouble shooting and maintenance
5-1
Chapter 5 Troubleshooting and maintenance
5.1Trouble indication and remedy
5.1.1
Fault/ Error display and Diagnostics
1. Un- resetable / un recoverable Errors
Display Error
Cause
Remedy
EEPROM
problem
EEPROM problem
Change EEPROM
Over voltage during
stop
Detection circuit malfunction Send the inverter back for repair
Under voltage
during stop
1. Power voltage too low
2. Restraining resistor or
fuse burnt out.
3. Detection circuit
malfunctions
1. Check if the power voltage is
correct or not
2. Replace the restraining
resistor or the fuse
3. Send the inverter back for
repair
The inverter is
overheated during
stop
1. Detection circuit
malfunctions
2. Ambient temperature too
high or bad ventilation
1. Send the inverter back for
repairing
2. Improve ventilation conditions
Current
transducer
detection error
Current transducer or
circuit error.
Send the inverter back for repair
Note
: 〝
@
〞
the Failure contact does not operate.
EPR
CTR
OV
@
LV
@
OH
@
Содержание 7300EV
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