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Fujitsu General 41 fault code

Fujitsu General air conditioning

What the Fujitsu General 41 fault code means, from the manufacturer's own service literature, and the UK models it applies to.

What it means

Room temperature sensor error

The room temperature sensor reads open or short circuit.

Safety: Safe isolation before disconnecting sensors or working on the PCB.

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 41 on that machine.

41 on these comes from each model's own manual, which may not match the meaning above — tap yours to read it.

Wall-mounted38
Cassettes23
Ducted55
ARXG09KLLAP / AOEG09KATA · AOEG09KBTBARXG12KHTAP / AOEG12KBTBARXG12KLLAP / AOEG12KATA · AOEG12KBTBARXG14KHTAP / AOEG14KBTBARXG14KLLAP / AOEG14KATA · AOEG14KBTBARXG18KHTAP / AOEG18KBTBARXG18KLLAP / AOEG18KATA · AOEG18KBTBARXG22KHTAP / AOEG22KBTBARXG22KMLAARXG22KMLB / AOEG22KATA · AOEG22KBTBARXG24KHTAP / AOEG24KBTBARXG24KMLA / AOEG24KATA · AOEG24KBTBARXG30KHTAP / AOEG30KBTBARXG30KMLA / AOEG30KATA · AOEG30KBTBARXG36KHTAP / AOEG36KBTB · AOEG36KRTAARXG36KMLA / AOEG36KATA · AOEG36KBTB · AOEG36KQTA · AOEG36KRTAARXG45KHTAP / AOEG45KBTB · AOEG45KRTAARXG45KHTB / AOEG45KBTB · AOEG45KRTAARXG45KMLA / AOEG45KATA · AOEG45KBTB · AOEG45KQTA · AOEG45KRTAARXG54KHTAP / AOEG54KBTB · AOEG54KRTAARXG54KHTB / AOEG54KBTB · AOEG54KRTAARXH12KMTAP / AOEG12KATA · AOEG12KBTBARXH14KMTAP / AOEG14KATA · AOEG14KBTBARXH18KMTAP / AOEG18KATA · AOEG18KBTBARXH22KMTAP / AOEG22KATA · AOEG22KBTBARXH24KMTAP / AOEG24KATA · AOEG24KBTBARXH30KMTAP / AOEG30KATA · AOEG30KBTBARXH36KMTAP / AOEG36KATA · AOEG36KBTB · AOEG36KQTA · AOEG36KRTAARXH45KMTAP / AOEG45KATA · AOEG45KBTB · AOEG45KQTA · AOEG45KRTAARXH54KMTAP / AOEG54KRTAARXH60KHTA / AOEH60KRTAARXH60KHTA / AOHH60KRTAARXH72KHTA / AOEH72KRTAARXH72KHTA / AOHH72KRTAARXH90KHTA / AOEH90KRTAARXH90KHTA / AOHH90KRTARDG09KLLAP / ROG09KATARDG09KLLAP / ROG09KBTBRDG12KLLAP / ROG12KATARDG12KLLAP / ROG12KBTBRDG14KLLAP / ROG14KATARDG14KLLAP / ROG14KBTBRDG18KLLAP / ROG18KATARDG18KLLAP / ROG18KBTBRDG22KMLA / ROG22KATARDG22KMLB / ROG22KATARDG24KHTAP / ROG24KBTBRDG24KMLARDG30KHTAP / ROG30KBTBRDG30KMLA / ROG30KATARDG36KHTAP / ROG36KBTBRDG36KMLA / ROG36KATARDG45KHTAP / ROG45KBTBRDG45KMLA / ROG45KATARDG54KHTAP / ROG54KBTB
Ceiling suspended13
Floor consoles3
Outdoor units17

Now the harder half: proving what caused it

41 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 41 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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