Zapi EPS-AC

Page 48
4) LOGIC FAILURE #4
Cause: It occurs when in the rest state the Vu-Vw phase motor voltage is
high: that means the voltage between D48 anode and gnd is not in
the window (Vu-Vw)0±0.25Vdc (see Fig. 11.1.6.2).
Remedy: If the alarm occurs permanently, it is necessary to substitute the
logic.