LogrobotLM

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FANUC Alarm PNT2-170 — Docking station not extended

FANUC PNT2-170 (“Docking station not extended”): The position and proximity switch are not functioning properly. First check: Check the position and the proximity switch.

Updated 2026-09-17 · LogrobotLM reference

Description

The position and proximity switch are not functioning properly. The docking station has not extended fast enough. The Docking Cylinder Timeout is set too low. Check for obstructions, misalignments and for a faulty switch.

Remedy

Check the position and the proximity switch. Repair the pneumatic or electric circuit if necessary. Adjust the pneumatic controls for the retract/extend. Increase the Docking Cylinder Timeout Value. Verify that the digital inputs and outputs have the proper state. By default: DIN[129, DSE] = ON; DIN[130, DSR] = OFF; DOUT[147, RDS] = OFF; DOUT[146, EDS] = ON. If the dock has extended, and the I/O has been verified, then reset and continue the robot operations.

Related codes

PNT2-168Dedock required, robot at dockPNT2-169Docking station not retractedPNT2-171Auto Calibration abortedPNT2-172Failed to find Upper limit

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 →