RC40 Control manual
93
3.Drive input phase detection
circuit damage;
0 x202c;
3.Repair or replace the
drive
e0x3220
DC link under-
voltage
Dynamic power input voltage
is too low, damage of the
drive
Check the power supply
circuit, repair or
replacement drive;
e0x4210
Excess
temperature
inverter power
module
1.Drive the cooling bad;
2.Environmental temperature
overheating;
3.Inverter load is too large;
4.Drive the output cable
insulation fault;
5.Drive damage;
1.Check the drive cooling
system, confirm the
ventilation flow, cooling fan
running normally;Or
increase the external
cooling measures;
2.Keep the environment
temperature to normal;
3.Replace the larger
capacity inverter;
4.Check the output cable,
replace when necessary;
5.Repair or replacement
drive;
e0x4220
Too low
temperature
inverter power
module
Drive damage
Repair or replacement drive
e0x7112
Regeneration
braking braking
overload
1.Brake circuit capacity lack;
2.Drive damage;
1.Reduce the start-stop
frequency;Add/deceleration
time constant
extension;Reduce the load
moment of inertia;Increase