Service Manual Damcos LPU: Troubleshooting Guide LPU
SM 8000-100-01 Ed 04 February 2017
46
POSITION INDICATOR
“Position indicator errors” on page 72
PUMP
“Pump rendering too low (or no) pressure in one or both directions” on page 51
“Noise from pump, but only at low pressure” on page 54
“Noise from pump, but only at high pressure” on page 55
“Noise from pump at both high and low pressure” on page 55
“Pump not rendering sufficient oil at high pressure (“valve running too slowly”)” on page 61
“Pump not rendering sufficient oil at low pressure (“valve running too slowly”)” on page 61
PRESSURE
“Pump rendering too low (or no) pressure in one or both directions” on page 51
“LPU-D not maintaining pressure on actuator” on page 57
“LPU cannot raise pressure after hand pump operation (but no problems after remote operation)” on
page 67
SOLENOID VALVE
“Solenoid valve not working” on page 52
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