LogrobotLM

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FANUC Alarm HOST-242 — SNTP: NTP server unreachable

FANUC HOST-242 (“SNTP: NTP server unreachable”): No packets were received from NTP server. First check: Check to make sure the NTP server IP address is correct.

Updated 2026-09-17 · LogrobotLM reference

Description

No packets were received from NTP server.

Remedy

Check to make sure the NTP server IP address is correct. If it is not, correct the address and try the operation again.

Related codes

HOST-240EMAIL: Email send failedHOST-241EMAIL: Email send successfulHOST-243ACD: duplicate IP …HOST-244Ethernet Throttle

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 →