Emotron AB 01-3991-11r2
Troubleshooting and maintenance
59
Troubleshooting and maintenance
Error display and correcting errors
1.
Un-resetable/un correctable Errors
"@" the Failure contact does not function.
Table 24
Display
Error
Cause
Corrective Action
EEPROM problem Faulty EEPROM
Replace EEPROM
@
Over voltage dur-
ing stop
Detection circuit mal-
function
Repair or replace unit
@
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. repair or replace unit
@
The VSD is over-
heated during
stop
1. Thermal Detection
circuit malfunction
2. Ambient tempera-
ture too high or bad
ventilation
1. Repair or replace unit
2. Improve ventilation conditions or relo-
cate VSD
Current trans-
ducer detection
error
Current transducer or
circuit malfunction.
Repair or replace unit
EPR
OV
LV
OH
CTR
