FANUC Alarm FRCE-165 — F/S temp. upper limit error (F:…)
Manufacturer wording — F/S temp. upper limit error (F:%d^1)
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC FRCE-165 (“F/S temp. upper limit error (F:…)”): The temperature measured at the sensor head is too high. First check: 1. Check the temperature around the sensor head. Likely part: Sensor board (Sensor interface board) +1 more.
Updated 2026-09-17 · LogrobotLM reference
Description
The temperature measured at the sensor head is too high.
Remedy
1. Check the temperature around the sensor head. If it is not high, go to the next step. 2. Check the sensor cable connectivity. Check also for cut lines. If there is nothing wrong, go to the next step. 3. Replace the sensor board. If this alarm occurs again, go to the next step. 4. Replace the sensor head.
Part to check / replace
FANUC FRCE-165 points to the hardware below — start here before ordering.
Tap a part for every code that points to it — and verify the exact variant for your controller before ordering.
Related codes
Same hardware involved
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 →