PDPG-H Manual
Page 14
SYMPTOM
PROBABLE CAUSE
SOLUTION
Piston suddenly floating or
descend.
Piston and Cylinder
contaminated.
Disassemble P/C module to
cleaning.
Piston does not rotate.
1. Piston position is fully
floating or in the bottom.
2. Motor trouble or
disconnected belt.
1. Pressurized or reduce pressure
to make correct piston position.
2. Replace motor or belt.
Piston dropped very
quickly.
Internal or external leaks.
Find the leaks point then tighten
or change the fitting to remove
the leaks.
Piston does not float.
Damaged Pressure
generator/controller O-ring.
Replace Pressure
generator/controller O-ring.
3. Trouble Shooting
3.1. Overview
PDPG has precision machining technology and high electronic engineering technology
therefore, it need to handle carefully.
Parts of the defect and the damage can lead to unexpected and dangerous results.
User needs to get training from who is well-acquainted with operation of PDPG
system.
3.2. Troubleshooting Checklist
