EP Equipment IMOW ICE251, Operation Manual

Page: 69 / 95

62
Error Message
Possible cause Fault elimination
Error
Error text
170
WRONG KEY
VOLT. The measured key voltage is not
the right one for the inverter.
- Check if the SET KEY VOLTAGE
parameter in the ADJUSTMENT
list is set in accordance with the
key voltage.
- Check if the key voltage is ok
using a voltmeter, if not check the
wiring.
- In case the problem is not solved,
251
WRONG SET
BAT
At start-up, the controller checks the
battery voltage (measured at key
input) and it verifies that it is out of a
±20% range around the nominal
value.
- Check that the SET BATTERY
parameter in the ADJUSTMENT
list matches the battery nominal
voltage.
- Through the TESTER function,
check that the KEY VOLTAGE
reading shows the same value as
196
MOT.PHASE
SH.36
MOT.PHASE
SH.37
MOT.PHASE
SH.38
Short circuit between two motor
phases. The number that follows
the alarm identifies where the short
circuit is located:
- 36 U – V short circuit
- 37 U – W short circuit
- 38 V – W short circuit
- Verify the motor phases
connection on the motor side
- Verify the motor phases
connection on the inverter side
- Check the motor power cables.
- Replace the controller.
- If the alarm does not disappear,
the problem is in the motor.
Replace it.
53 STBY I HIGH
In standby, the sensor detects a
current value different from zero.
The current sensor or the current
feedback circuit is damaged.
Replace the controller.
180 OVERLOAD
The motor current has overcome
the limit fixed by hardware.
Reset the alarm by switching key
off and on again.
If the alarm condition occurs
again, ask for assistance to your
dealer technician. The fault
condition could be affected by
wrong adjustments of motor