INVT CHV180-004G-4

CHV180 series frequency inverter special for elevator Trouble shooting
.93.
the encodering disk or run
at low speed for a long
time.
4. Adjust the direction of
the encoding disk.
SPI
Input phase
failure
Input phase failure of
R,S,T.
Check the wiring,
installation and power
supply.
SPO
Output phase
failure
1. U, V and W phase loss
output.
2. If the motor is not
connected, the
pre-exciting can not be
completed.
Check the wiring, motor
and cable.
OH1 Rectify overheat
1. Sudden overcurrent to
the inverter.
2. The output phase is
short circuited.
3. Ventilation duct or the
fan is damaged.
4. Ambient temperature is
too high.
5. The wiring of the control
board or the plug-in is
loose.
6. The assistant circuit is
damaged and
undervoltage to the drive
voltage.
7. Direct bridge arm of the
power module.
8. The control board is
abnormal.
1. Refer to the
overcurrent solution.
2. Reconfiguration.
3. Clear out the
ventilation duct and
change the fan.
4. Reduce the ambient
temperature.
5. Check and rewire.
6. Ask for support.
7. Ask for support.
8. Ask for support.
OH2 IGBT overheat
EF External fault
SI: External fault input
terminal take effect.
Inspect external
equipment.