EP Equipment 508000003143, Operation Manual

Page: 72 / 91

65
Error Message
Possible cause Fault elimination
Error
Error text
230 LC COIL OPEN
This fault appears when no load is
connected between the NMC output
A12 and the positive voltage (for
example the KEY voltage).
1- Check the wiring, in order to
verify if LC coil is connected to the
right connector pin and if it is not
interrupted.
2- If the alarm is still present, than
the problem is inside the logic
board;
replace it.
232 CONT. DRV. EV
AUX valve driver is not able to drive
the load. The device or its driving circuit is
damaged. Replace the controller.
233
POWERMOS
SHORTED
The DC-link voltage drops to zero
when a high-side or low-side
MOSFET is turned on.
1- Check that motor phases are
correctly connected.
2- Check that there is no
dispersion to ground for every
motor phases.
3- In case the problem is not
solved, replace the controller.
234 DRV. SHOR. EV AUX valve driver is shorted.
1- Check if there is a short circuit
or a low impedance path between
the negative terminal of the coils
and -B.
2- If the problem is not solved,
replace the logic board.
235
CTRAP
THRESHOLD
it is a controller internal check fault
Check the parameter DUTY PWM
CTRAP is correct.If the alarm is
still,Ask for assistance to a EP
technician
236 CURRENT GAIN
The maximum current gain
parameters are at the default
values, which means that the
maximum current adjustment
procedure has not been carried out
yet.
Ask for assistance to a EP
technician in order to do the
adjustment procedure of the
current gain parameters.