Fujitsu General 35 fault code
Fujitsu General air conditioning
What the Fujitsu General 35 fault code means, from the manufacturer's own service literature, and the UK models it applies to.
What it means
The MANUAL AUTO button on the indoor unit is reading as stuck/pressed.
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 35 on that machine.
Wall-mounted35
Cassettes2
Ducted20
Floor consoles3
35 on these comes from each model's own manual, which may not match the meaning above — tap yours to read it.
Wall-mounted30
Cassettes22
Ducted44
Ceiling suspended13
Now the harder half: proving what caused it
35 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 35 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 →