Failure Message Overview
Error
Number Failure Failure Name Explanation
350 Err OD* Position error Too much difference between the position command and the po-
sition feedback during position control.
351 Err EP* Encoder phase error Rotation command different than the motor rotation direction.
352 Err E.11* Opposite rotation deceleration Rotation direction of the speed command different than the esti-
mated speed causing overload.
353 Err E.13 Internal circuit error Problem with an internal circuit, replace the inverter.
* This option or function is not used. If you have this error anyway do the following :
1. Reload the inverter parameters.
2. If the fault is persistent, replace the inverter.
Table 95
Failure 300-301-302: OC Errors (OVERCURRENT)
Diagnosing Failure 300-301-302
1. Verify that there is no short
circuit on the output of the in-
verter. (loose wire of motor ca-
ble, motor windings, screws or
other loose parts inside the
motor terminal box,…)
Repair the short circuit.
2. Disconnect the motor cable
from the inverter and try again.
If you still have the error with
motor cable disconnected, re-
place the inverter.
Table 96
Failure 303-304-305: OV Errors (OVERVOLTAGE)
Diagnosing Failure 303-304-305
If the DC-voltage on the capacitors is too high, the inverter will
generate OV error.
1. Check if there was a high
unbalance during extraction,
which can be caused by put-
ting only half loads in the ma-
chine.
Put always a full load in the
machine drum.
2. Check if the supply voltage
is not too high.
Reduce the supply voltage.
3. Check if the fault is persis-
tent
If the fault is persistent, con-
tact the manufacturer
Table 97
Failure 306: THT-Error (INVERTER OVERLOAD)
Diagnosing Failure 306
If the output current of the inverter is abnormal high for some
time, the inverter will go into THT-alarm state.
1. Verify that the power supply
is sufficient and stable during
extraction with load.
Repair the power supply.
2. Make sure the drum rotates
normally by hand. No abnor-
mal high friction.
Repair / clean what is necessa-
ry.
3. Check if the motor windings
are OK.
Replace the motor.
Table 98
Failure 307: THM-Error (MOTOR OVERLOAD)
Diagnosing Failure 307
If the motor current is higher than allowed for a longer time, the
inverter will activate the electronic overcurrent protection to
prevent the motor from overheating and the inverter will go into
THM-alarm state.
1. Check if the drum rotates
normally by hand.
Repair / clean what is necessa-
ry.
2. Check if the motor windings
are OK.
Replace the motor.
Table 99 continues...
Troubleshooting
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Copyright, Alliance Laundry Systems LLC -
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106 Part No. D1676ENR11
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