SECTION 5
TROUBLESHOOTING
July 2003
p. 5-2
05130679
Red Flashing Light, Message On Operator’s Console
Condition and Possible Causes Corrective Action
LEAK Check for HP piping leaks.
Check for HP seal leak.
Check for HP check valve leak.
Check for HP valve leak.
Check for HP pump leak.
Check for sufficient water supply.
Check orifices condition, and proper diameters.
OIL TEMP Check hydraulic oil tank temperature if above
62
0
C (144
0
F). Check cooling water flow and
temperature to heat exchanger. Adjust water
modulating valve.
OIL LEVEL Check hydraulic oil level on the tank.
Check for hydraulic oil leak, add oil to tank.
HP Water Signal Abnormal Fluctuation
Orifice Large/ Worn/
Damaged
Check that orifices do not exceed capacity of
pump.
Check that orifices are in good working order.
Check Piping Leaks Check system components for leaks.
Check HP Dump Valve for leaks, including
through stem/seat.
Check Valve Leakage Inspect pump discharge HP check valves.
Inspect pump inlet low pressure (LP) check
valves.
Check Seal Leakage Inspect plunger, sealing head seals.
Hydraulic Control
Malfunction
Check hydraulic valve operation.
Verify proper shifting of 4-way reversing valve
Check Cutting Water
Supply
Pressure of cutting water supply to intensifier
should be at least 2 bar (30 psi).
Hot Surfaces On HP Cylinder Components
HP Discharge Check
Leaking
Inspect check valve seat, poppet, spring, and
guide condition.
LP Inlet Check Valve
Leaking
Inspect check valve poppet, spring, seat, and
sealing head.
Sealing Head or Plunger Check plunger and sealing head seal leak and
repair.
Damaged HP Cylinder Check cylinder inside diameter for damage.
Polish if required.
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