tau D820M - Page 34

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E4 Failure to charge capacity Check that the power supply voltage
is not too low.
E5 Motor piloting over tempera-
ture. Maximum working tempe-
rature reached
To improve operation, increase the
stand-by time on reclosing.
E6 Motor Instantaneous overcur-
rent
Check the ascent ramps; they could
be too fast and also make sure that
the motor used doesn’t exceed
1Kwatt.
E7 Motor delayed overcurrent Check the ascent ramps; they could
be too fast and also make sure that
the motor used doesn’t exceed
1Kwatt.
E8 Overvoltage on the BUS Make sure the engine doesn’t rege-
nerate during the stop maneuvers;
if this happens, in order to decrease
the regeneration, prolong the dece-
leration/stop ramps.
E9 Absenceofencoderpulsesin
motor 1.
Absence of encoder pulses.
Check connections and functionality
of the installed encoder.