66
Error Message
Possible cause
Fault elimination
Error
Error text
200
VDC OFF
SHORTED
The logic board measures a key
voltage value that is constantly out
of range, above the maximum
allowed value.
- Check that the battery has the
same nominal voltage of the
inverter.
- Check the battery voltage, if it is
out of range replace the battery.
- In case the problem is not
solved, replace the logic board.
233
POWERMOS
SHORTED
This alarm occurs only when the
controller is configured to drive a
PMSM and the feedback sensor
selected in the HARDWARE
SETTINGS list is ENCODER
ABI + PWM.
The controller does not detect
correct information on PWM input at
start-up.
- Re-cycle the key.
- Check the sensor in order to
verify that it works properly.
- Check the wiring.
- If the problem occurs
permanently it is necessary to
substitute logic board.
237
ANALOG INPUT
This alarm occurs when the A/D
conversion of the analog inputs
returns frozen values, on all the
converted signals, for more than
If the problem occurs
permanently it is necessary to
replace the logic board.
235
CTRAP
THRESHOLD
This alarm occurs when a mismatch
is detected between the setpoint for
the overcurrent detection circuit
(dependent on parameter DUTY
PWM CTRAP) and the feedback of
the actual threshold value.
The failure lies in the controller
hardware. Replace the logic
board.
Summary of Contents for IMOW ICE251
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