FANUC Alarm PNT2-899 — Air in Canister detected
Manufacturer wording — %sAir in Canister detected
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC PNT2-899 (“Air in Canister detected”): The piston was retracted from the fluid after the Fill sequence and torque was still detected on the face of the piston. First check: Check the paint supply for the current color in the canister to verify air in not being introduced into paint supply.
Updated 2026-09-17 · LogrobotLM reference
Description
The piston was retracted from the fluid after the Fill sequence and torque was still detected on the face of the piston. The torque should not exist if the canister is completely full of paint, therefore, compressed air could me mixed with the paint.
Remedy
Check the paint supply for the current color in the canister to verify air in not being introduced into paint supply.
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 →