Fault Diagnosis; Symptom / Possible Cause / Remedy - Stanley Enerpac PRO Series Manual

5. FAULT DIAGNOSIS

5.1

SYMPTOM / POSSIBLE CAUSE / REMEDY

IMPORTANT - Only fully trained and qualified hydraulic technicians should service the pump or system components.
Please contact Enerpac or Stanley Engineered Fastening for your servicing, repair and training requirements. Service
Instructions and repair parts sheet are available on request.
SYMPTOM
Pump/Motor will not
start
Trigger Button does
not function
Motor running but
placing tool does not
function
Motor stops under load
Solenoid valve will not
operate
* Note: This is not applicable to pump models 76506-02000 and 76507-02000.
28
POSSIBLE CAUSE
*Fault condition
Incorrect power supply
Trigger control cable not
connected correctly
Damaged trigger switch
*Pump in local mode
Trigger, control cable or connector
damaged
Hydraulic Hoses not connected
Faulty hydraulic quick couplers
Low oil level
External system leak
Internal leak in pump
Internal leak in valve
Internal leak in system component
Low voltage
No power or wrong voltage
Solenoid cable disconnected or
damaged
Valve out of adjustment
REMEDY
*Refer to Pump LCD Menus and
Operating Instructions and Fault
Conditions for details
Check power supply against
specification
Check control cable is correctly
connected at pump and placing
tool
Refer to placing tool Instruction
manual for repair/replacement
*Turn off Local Mode - Refer to
Pump LCD Menus and Operating
Instructions
*Refer to Diagnose Menu
Refer to placing tool Instruction
manual for repair/replacement
Check for correct connections at
pump and placing tool
Replace quick couplers - refer to
placing tool instruction manual
Add oil - refer to Putting into
Service and Maintenance and
Servicing
Inspect and repair or replace
See authorized service center
See authorized service center
See authorized service center
*Refer to Fault Conditions
Turn off other electric loads
Use heavier gauge extension cord
Connect to correct power source
per pump name plate &
specification
Connect, repair, or replace cable
See authorized service center
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