Danfoss PVE 7 Series Руководство по эксплуатации - Страница 13

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Service Manual
PVE Series 7
General Information
©
Danfoss | August 2017
Principle of PVEH
Special
SP
NP
Features
Uf
DI_B
DI_A
Udc
Micro-
2
LED
controller
Error
US
Udc
Power
Supply
Principle of PVES
Special
SP
Features
Micro-
controller
LED
Error
Us
Udc
Power
Supply
Troubleshooting actuator
For warranty claims please verify and describe below points before replacing actuator.
•
Function of external parts
‒
Spool can move as expected when activated by PVM
‒
Pilot pressure is available
‒
Control signal can activate other PVE/PVHC
‒
Cabling is undamaged
‒
Connectors are with sealing and dry
•
Function of PVE
‒
Failure is temporary/continues
‒
Failure is in one direction (A or B) or both
‒
Visible damage
Pp
NC1
LVDT
1
0
NO2
Pp
NC1
LVDT
1
0
NO2
NC3
2
NO4
P109148
NC3
2
NO4
P109149
AX00000348en-US | 0101 | 13