Code CE-04: Infrared floor sensor error
Issue Description & Safety Warning
The Daikin RXQ6-48A(N)R / RXQ-ARYFK Service Diagnosis has triggered a critical Infrared floor sensor error alarm. Immediate attention from a qualified operator or maintenance technician is required to prevent secondary damage to the equipment or spoiled parts during the manufacturing cycle. Always ensure standard safety and LOTO procedures are followed before accessing electrical cabinets.
Official Troubleshooting Steps
Product scope: RXQ6-48A(N)R / RXQ-ARYFK service diagnosis Unit area: Indoor unit Manual section: Part 6 Service Diagnosis, 5.2 Error Codes (Sub Codes) Diagnosis: An abnormality other than the ones mentioned above has been detected. Check if the temperature nearby the sensor is too high, and if there is any foreign matter that may cause noise.
Source: Daikin RXQ6-48A(N)R Series Service Manual (SiME341909EA), Part 6 Service Diagnosis
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
About Daikin RXQ6-48A(N)R / RXQ-ARYFK Service Diagnosis Alarms
Daikin controllers include extensive self-diagnostics that flag or halt the machine when a fault is detected. Error code CE-04 on the RXQ6-48A(N)R / RXQ-ARYFK Service Diagnosis identifies one specific fault condition — its documented cause and the official corrective steps are listed above, sourced from Daikin's service documentation. Always confirm against the manual for your exact machine configuration and follow LOTO procedures before servicing.
Complete Alarm List: 362 Daikin RXQ6-48A(N)R / RXQ-ARYFK Service Diagnosis codes.
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