Fujitsu General 94 fault code
Fujitsu General air conditioning
What the Fujitsu General 94 fault code means, from the manufacturer's own service literature, and the UK models it applies to.
What it means
Safety: Safe isolation before disconnecting the compressor or testing the inverter board — capacitors hold charge.
Source: Fujitsu General ASEH07/09/12/14KMCG service manual (official UK webstore), error-code table + troubleshooting; cross-checked against SR_AS092EF_01. All 23 codes verified model-specific 2026-07-16.
UK models this code applies to
Tap yours to open 94 on that machine.
Wall-mounted27
Cassettes2
Ducted10
Floor consoles3
94 on these comes from each model's own manual, which may not match the meaning above — tap yours to read it.
Wall-mounted38
Cassettes22
Ducted54
Ceiling suspended13
Now the harder half: proving what caused it
94 names a symptom, not a root cause. In the app, the same code opens a guided investigation: what to measure first, the expected values for your exact model, and an honest verdict — including “nothing in this machine is broken” when that's what the readings say.
Chase 94 on your machine →Free, no sign-up. Pick the model: where we hold a chart for it, it takes you through one question at a time.
Or watch one get chased — free demo →
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