FANUC Alarm PNT2-668 — Leak detect when zeroing meter
Manufacturer wording — %sLeak detect when zeroing meter
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC PNT2-668 (“Leak detect when zeroing meter”): When attempting to zero (tare) the air flow meter autmatically, the flow reading from it was large enough to indicate a possible leak. First check: Complete the procedure to manually zero (tare) the air flow meter for this channel.
Updated 2026-09-17 · LogrobotLM reference
Description
When attempting to zero (tare) the air flow meter autmatically, the flow reading from it was large enough to indicate a possible leak.
Remedy
Complete the procedure to manually zero (tare) the air flow meter for this channel. With the air lines all reconnected and air pressure on, if the display on the air flow meter reads more flow than the Fast leak flow parameter then follow the cause and remedy for the Fast air flow leak detected alarm.
Related codes
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 →