
Commercial Water
Xylem Inc.
PAGE 5
Check the following values:
Black Wire (GND) Red Wire of Multimeter Result
Rectifier Values
L1
DC+ OL (Overload)
N
L1
DC- 0.54 V
N
DC+
L1
0.57 V
N
DC–
L1
OL (Overload)
N
IGBT Values
U
DC+ V 0.48 V
W
U
DC– V OL (Overload)
W
U
V DC+ OL (Overload)
W
U
V DC– 0.45 V
W
NOTE: Put multimeter on diode check ( ).
Result:
- If the above mentioned values between power supply and DC part are significantly different
=> Rectifier may be damaged.
- If values between motor connection and DC part are significantly different
=> IGBT module may have a failure.
Komentarze do niniejszej Instrukcji