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FANUC Alarm PNT1-648 — Calibration aborted

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

FANUC PNT1-648 (“Calibration aborted”): AccuAir calibration could not complete. First check: The best remedy might be found from the previous alarm in the log.

Updated 2026-09-17 · LogrobotLM reference

Description

AccuAir calibration could not complete. This might be due to the air supply being off. Check for other alarms in the log. This might be due to incorrect setup parameters, or incomplete hardware setup.

Remedy

The best remedy might be found from the previous alarm in the log. Request a proper air flow at the cap. Check that it occurs. Check that the Sensor scale and various other parameters are set properly. Increase the Calibration time-out parameter.

Related codes

PNT1-646Flow rate avg. error excessivePNT1-647Calibration successfulPNT1-649Cal. low flow rate resetPNT1-650Cal. max. flow rate reset

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 →