Sharp FX-S120B-W error codes & fixes
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Try E2, temperature, or won’t start.
Error codes
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Sharp FX-S120B-W Error Code U3 ([GLOBAL.SHARP](HTTPS://GLOBAL.SHARP/SMARTAPP/AIR/SUPPORT/AIRPURIFIERERROR/))
Sharp FX-S120B-W error code U3 ([GLOBAL.SHARP](HTTPS://GLOBAL.SHARP/SMARTAPP/AIR/SUPPORT/AIRPURIFIERERROR/)) means ion sensor error. This guide explains the likely causes, the safest first…
Sharp FX-S120B-W Error Code E9 ([GLOBAL.SHARP](HTTPS://GLOBAL.SHARP/SMARTAPP/AIR/SUPPORT/AIRPURIFIERERROR/))
Sharp FX-S120B-W error code E9 ([GLOBAL.SHARP](HTTPS://GLOBAL.SHARP/SMARTAPP/AIR/SUPPORT/AIRPURIFIERERROR/)) means pCI device connection error. This guide explains the likely causes, the sa…
Sharp FX-S120B-W Error Code C8 ([GLOBAL.SHARP](HTTPS://GLOBAL.SHARP/SMARTAPP/AIR/SUPPORT/AIRPURIFIERERROR/))
Sharp FX-S120B-W error code C8 ([GLOBAL.SHARP](HTTPS://GLOBAL.SHARP/SMARTAPP/AIR/SUPPORT/AIRPURIFIERERROR/)) means pCI data error. This guide explains the likely causes, the safest first ch…
Sharp FX-S120B-W Error Code C4 ([GLOBAL.SHARP](HTTPS://GLOBAL.SHARP/SMARTAPP/AIR/SUPPORT/AIRPURIFIERERROR/))
Sharp FX-S120B-W error code C4 ([GLOBAL.SHARP](HTTPS://GLOBAL.SHARP/SMARTAPP/AIR/SUPPORT/AIRPURIFIERERROR/)) means dust sensor or Temperature/Humidity sensor error. This guide explains the…
Sharp FX-S120B-W Error Code C1 ([GLOBAL.SHARP](HTTPS://GLOBAL.SHARP/SMARTAPP/AIR/SUPPORT/AIRPURIFIERERROR/))
Sharp FX-S120B-W error code C1 ([GLOBAL.SHARP](HTTPS://GLOBAL.SHARP/SMARTAPP/AIR/SUPPORT/AIRPURIFIERERROR/)) means fan motor error. This guide explains the likely causes, the safest first c…
All fixes for this model
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Sharp FX-S120B-W Error Code U3 ([GLOBAL.SHARP](HTTPS://GLOBAL.SHARP/SMARTAPP/AIR/SUPPORT/AIRPURIFIERERROR/))
Sharp FX-S120B-W error code U3 ([GLOBAL.SHARP](HTTPS://GLOBAL.SHARP/SMARTAPP/AIR/SUPPORT/AIRPURIFIERERROR/)) means ion sensor error. This guide explains the likely causes, the safest first…
Sharp FX-S120B-W Error Code E9 ([GLOBAL.SHARP](HTTPS://GLOBAL.SHARP/SMARTAPP/AIR/SUPPORT/AIRPURIFIERERROR/))
Sharp FX-S120B-W error code E9 ([GLOBAL.SHARP](HTTPS://GLOBAL.SHARP/SMARTAPP/AIR/SUPPORT/AIRPURIFIERERROR/)) means pCI device connection error. This guide explains the likely causes, the sa…
Sharp FX-S120B-W Error Code C8 ([GLOBAL.SHARP](HTTPS://GLOBAL.SHARP/SMARTAPP/AIR/SUPPORT/AIRPURIFIERERROR/))
Sharp FX-S120B-W error code C8 ([GLOBAL.SHARP](HTTPS://GLOBAL.SHARP/SMARTAPP/AIR/SUPPORT/AIRPURIFIERERROR/)) means pCI data error. This guide explains the likely causes, the safest first ch…
Sharp FX-S120B-W Error Code C4 ([GLOBAL.SHARP](HTTPS://GLOBAL.SHARP/SMARTAPP/AIR/SUPPORT/AIRPURIFIERERROR/))
Sharp FX-S120B-W error code C4 ([GLOBAL.SHARP](HTTPS://GLOBAL.SHARP/SMARTAPP/AIR/SUPPORT/AIRPURIFIERERROR/)) means dust sensor or Temperature/Humidity sensor error. This guide explains the…
Sharp FX-S120B-W Error Code C1 ([GLOBAL.SHARP](HTTPS://GLOBAL.SHARP/SMARTAPP/AIR/SUPPORT/AIRPURIFIERERROR/))
Sharp FX-S120B-W error code C1 ([GLOBAL.SHARP](HTTPS://GLOBAL.SHARP/SMARTAPP/AIR/SUPPORT/AIRPURIFIERERROR/)) means fan motor error. This guide explains the likely causes, the safest first c…
About this model
If your device shows an error code, start with the matching fix page. When a code returns repeatedly, it often points to an underlying cause (temperature, power delivery, sensors, locks, or wear).
Always follow basic safety: unplug before opening anything, and stop if you smell burning or see damage.