FANUC Alarm SYST-027 — PAUSE HOT start failed (Error:…)
Manufacturer wording — PAUSE HOT start failed (Error:%d)
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC SYST-027 (“PAUSE HOT start failed (Error:…)”): HOT start has failed for one of the following reasons: 1. First check: COLD start is selected automatically.
Updated 2026-09-17 · LogrobotLM reference
Description
HOT start has failed for one of the following reasons: 1. Power failed during system start up. 2. Flash ROM module was changed. 3. A run-time error occurred. 4. System internal error 1. 5. System internal error 2.
Remedy
COLD start is selected automatically.
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 →