FANUC Alarm PNT1-870 — Zero Pressure

Manufacturer wording — %sZero Pressure
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC PNT1-870 (“Zero Pressure”): The calibration aborted due to zero output or manifold pressure was detected after a flow command was issued. First check: Determine the cause for the zero pressure, and correct the problem.

Updated 2026-09-17 · LogrobotLM reference

Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. How this reference is built →