E-Tech DrivE-Tech 015, Инструкция по установке и эксплуатации

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7. Protections and alarms
Anytime a protection occurs a blinking message is displayed together with an audible alarm; on STATUS in the initial view, the
protection is displayed; by pressing the STOP button. Only from this position (STATUS) in the initial view is it possible to try
to reset the alarm; if DrivE-Tech does not reset the alarm it is displayed again together an audible sound.
ALARM MESSAGE ALARM DESCRIPTION POSSIBILE SOLUTIONS
OVERCURRENT MOT.
Motor overload: input current of the motor
is higher than the rated motor current
setting parameter.
Motor voltage drop caused by the inverter
causes the motor input current to be higher
than rated. Contact motor manufacturer to
check if motor is capable of accepting this
current.

Make sure that the motor current setting
parameter is higher than rated.

Check other possible causes of over current
UNDER VOLTAGE
Supply voltage too low
Check possible causes of undervoltage
OVER VOLTAGE
Supply voltage too high
Check possible causes of overvoltage
OVER TEMP. INV.
Inverter over temperature

Make sure than ambient temperature is less
than 40 °C (104 °F).

Check if auxiliary cooling fan is working
properly and if mounting space is adequate
for proper cooling.

Reduce the PWM value ( Advance Parameter
Menu )
NO LOAD
No load

Check if load is properly connected to the
DrivE-Tech terminals
NO WATER
(DRY RUN COSPHI)
Motor cosphi is lower than the set value of
dry running cosphi

Check if the pump is primed

Check the set value of dry running cosphi.
Dry running cosphi is approximately 60% of
the rated cosphi (at rated frequency) listed
on the motor plate.
If pump’s cosphi is lower than the set dry-
running cosphi for at least 2 seconds, DrivE-Tech
stops the pump. DrivE-Tech tries to run the
pump every 10, 20, 40, 80, 160 minutes and
then the pump is stopped.
WARNING: if dry running protection occurs,
DrivE-Tech will try to start the pump
automatically. Be sure to cut power supply to
DrivE-Tech before performing any maintenance.
SENSOR FAULT
Sensor error

Check the transducer

Check the wiring of transducer
MAX. VALUE ALARM Measured value has reached the maximum
value accepted by the system.

Check possible causes of reaching max value

Check the max alarm value setting
MIN. VALUE ALARM
Measured value has reached the lowest

Check possible causes reaching min value