FANUC Alarm SRVO-133 — SERVO FSAL(PSM) alarm
Error- Hardware
- cabinet cooling
- Controllers
- R-J3iB / R-30iA
- FANUC class
- SERVO
Manufacturer wording — SERVO FSAL(PSM) alarm (G:%d A:%d)
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC SRVO-133 (“SERVO FSAL(PSM) alarm”): The cooling fan for the control circuit stopped. First check: Refer to the maintenance manual.
Updated 2026-10-22 · LogrobotLM reference
Description
The cooling fan for the control circuit stopped.
Remedy
Refer to the maintenance manual.
Field diagnosis
The fan that cools the control electronics of the power supply module has stopped.
What to check
- Check that the fan rotates and replace it; otherwise replace the power supply module.
- Note: A clogged fan stops first when hot: test at the end of the shift.
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 →