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FANUC Alarm SRVO-086 — WARN PHAL alarm (Track enc:…)

Manufacturer wording — WARN PHAL alarm (Track enc:%d)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC SRVO-086 (“WARN PHAL alarm (Track enc:…)”): This alarm is issued when the phase of a pulse signal generated by the pulse coder is abnormal. First check: Refer to the description for the SRVO-064 PHAL alarm.

Updated 2026-09-17 · LogrobotLM reference

Description

This alarm is issued when the phase of a pulse signal generated by the pulse coder is abnormal.

Remedy

Refer to the description for the SRVO-064 PHAL alarm.

Related codes

SRVO-084WARN BZAL alarm (Track enc:…)SRVO-085WARN RCAL alarm (Track enc:…)SRVO-087WARN BLAL alarm (Track enc:…)SRVO-088WARN CSAL alarm (Track enc:…)

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 →