Danfoss PVG 32 Service Manual

Troubleshooting flow chart
Problem?
Mechanical
Mechanical
No
No
Hydraulic
Hydraulic
No
No
Electrical
Electrical
No
No
Electronic
Electronic
No
No
Software
Problem?Problem?
Mechanical
Mechanical
No
No
Mechanical
Mechanical
No
No
Hydraulic
Hydraulic
No
No
Hydraulic
Hydraulic
Hydraulic
Hydraulic
No
No
Electrical
Electrical
No
No
Electrical
Electrical
Electrical
Electrical
No
No
Electronic
Electronic
No
No
Electronic
Electronic
Electronic
Electronic
No
No
SoftwareSoftware
P107 823
No cylinder/motor response in either direction when remote controller is actuated
Cause Check Corrective action
Verify if fault is mechanical, electrical
or hydraulic
Operate manual lever to confirm mechanical or
electrical or hydraulic
If moving the manual lever operates the cylinder/motor
check electrical or hydraulic
Sticking main spool Remove manual, electrical, and hydraulic actuators
from the valve section. Remove main spool from valve
section and inspected for damage. If no damage
reinstall the main valve spool and it should move
freely in the valve section bore.
Replace the valve module and main spool. If any damage
is found on the main spool
Check movement of manual lever when electrical
controller is operated
If manual lever does not move check electrical voltage
signal from controller, wiring at the PVE module
Check movement of manual lever when hydraulic
controller is operated
If manual lever does not move check hydraulic controller
pressure at the PVG valve module - 25 Bar [360 PSI]
If none of the above check pump per manufacturers
recommended procedure
Repair or replace pump per manufacturers
recommended procedure
Internal filters blocked Check for blockage in internal filters Remove blockage
Service Manual
PVG 32 Proportional Valve Group
System Troubleshooting
©
Danfoss | February 2017 11039167 | AX00000031en-US0301 | 15

Danfoss PVG 32 Specifications

General

Brand	Danfoss
Model	PVG 32
Category	Control Unit
Language	English