CHV100 Series Close Loop Vector Control Inverter
.113.
Fault Code
Fault Type
Reason
Solution
3. Output terminals are
loose.
OH1
Rectify overheat
OH2
IGBT overheat
1
．
Ambient temperature is
too high.
2
．
Near heat source.
3. Cooling fans of inverter
stop or damaged.
4
．
Obstruction of
ventilation channel
5
．
Carrier frequency too
high.
1. Install cooling unit.
2. Remove heat source.
3. Replace cooling fan
4. Clear the ventilation
channel.
5. Decrease carrier
frequency.
EF
External fault
Sx: External fault input
terminal take effect.
Inspect external
equipment.
CE
Communication
fault
1. Improper baud rate
setting.
2. Receive wrong data.
3. Communication is
interrupted for Long time
1. Set proper baud rate.
2. Check communication
devices and signals.
ITE
Current
detection fault
1. Wires or connectors of
control board are loose
2. Hall sensor is damaged.
3. Amplifying circuit is
abnormal.
1. Check the wiring.
2. Ask for support.
TE
Autotuning fault
1. Improper setting of
motor rated parameters.
2. Overtime of autotuning.
1. Set rated parameters
according to motor
nameplate.
2. Check motor
’
s wiring.
PCE
Encoder fault
1. Signal wire of encoder
was broken.
2. Encoder was damaged.
1. Inspect encoder
connection.
2. Inspect whether the
encoder output signal or
not.
PCDE
Encoder reverse
fault
Encoder signal wire was
connected wrong.
Adjust encoder wiring.
