FIELD COPILOT · TX-450 LINE

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Rev C · current Rev B · superseded

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TX-450 Hydraulic Press — Service Manual SECTION 4.3 · {{ manualPage }}

4.3 Overpressure Fault Recovery

FAULT E-104OVERPRESSURE — SYSTEM LOCKOUT

FIG 4.3-A · MAIN GAUGE

Verify the machine is in LOCKOUT and the E-104 indicator is lit.
Confirm system pressure has dropped below 200 PSI on the main gauge (FIG 4.3-A).
Rev C: allow the automatic 10-second bleed-down to complete. The RESET will not engage until the bleed-down timer clears.
Hold the RESET button on the control panel for 3 seconds until the amber LED clears.
Cycle the press once under no load to confirm normal operation.

TORQUE & SPEC — RESET-RELATED FASTENERS

Relief valve cap	42 ft·lb	±3
Sensor PS-12 mount	18 ft·lb	±2
Panel access screws	6 in·lb	±1

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We replaced the pressure sensor on TX-450 #3 — does that change the E-104 reset steps, and which revision applies?

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FAULT-CODE REFERENCE · TX-450

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