BENSHAW RSi H2 Series - Page 359

Troubleshooting
347
890053-00-02
Type
Cause
Remedy
protection is too low.
level.
The inverter has been operated at low
speed for an extended duration.
Replace the motor with a model that
supplies extra power to the cooling fan.
Out Phase
Open
The magnetic contactor on the output
side has a connection fault.
Check the magnetic contactor on the
output side.
The output wiring is faulty.
Check the output wiring.
In Phase
Open
The magnetic contactor on the input
side has a connection fault.
Check the magnetic contactor on the
input side.
The input wiring is faulty.
Check the input wiring.
The DC bus capacitors need to be
replaced.
Replace the DC bus capacitors. Contact
the retailer or the BENSHAW customer
service center.
Inverter OLT
The load is greater than the rated
motor capacity.
Replace the motor and inverter with
models that have increased capacity.
The torque boost level is too high.
Reduce the torque boost level.
Over Heat
There is a problem with the cooling
system.
Determine if a foreign object is obstructing
the air inlet, outlet, or vent.
The inverter cooling fan has been
operated for an extended period.
Replace the cooling fan.
The ambient temperature is too high.
Keep the ambient temperature below 50
C.
Over
Current2
Output wiring is short-circuited.
Check the output wiring.
There is a fault with the electronic
semiconductor (IGBT).
Do not operate the inverter. Contact the
retailer or the BENSHAW customer
service center.
NTC Open
The ambient temperature is too low.
There is a fault with the internal
temperature sensor.
Keep the ambient temperature above - 10
C. Contact the retailer or the BENSHAW
customer service center.
Fan Lock
/ In Fan
A foreign object is obstructing the
fan’s air vent.
Remove the foreign object from the air
inlet or outlet.
The cooling fan needs to be replaced.
Replace the cooling fan.
Check Line
Plz
LCD communication issue.
Check:
1. LCD Cable(s) and Connections
2. Change LCD
3. Replace Control PCB