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FANUC Alarm SRVO-248 — Deadman switch status abnormal

FANUC SRVO-248 (“Deadman switch status abnormal”): The status of two DIs of DEADMAN switch do not match. First check: ## 4.ERROR CODES

Updated 2026-08-29 · LogrobotLM reference

Description

The status of two DIs of DEADMAN switch do not match.

Remedy · Remède

## 4.ERROR CODES

Frequently asked · Questions fréquentes

What does FANUC alarm SRVO-248 mean?
FANUC SRVO-248 (“Deadman switch status abnormal”): The status of two DIs of DEADMAN switch do not match.
How do you troubleshoot FANUC alarm SRVO-248?
## 4.ERROR CODES

Related codes / Codes liés

SRVO-246Chain 1 abnormal(EX_robot)SRVO-247Chain 2 abnormal(EX_robot)SRVO-250SERVO SVEMG/MAINON1 abnormalSRVO-251DB relay abnormal(G:%d A:%d)

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. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →