Code J9-02: Faulty subcooling heat exchanger outlet thermistor (Slave 1)
Issue Description & Safety Warning
The Daikin SkyAir/VRV BRC1E61 Detailed Error Codes has triggered a critical Faulty subcooling heat exchanger outlet thermistor (Slave 1) 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: VRV all models Unit area: Outdoor unit Diagnosis: Refer to the “J9” flow chart of each manual and make a diagnosis of the relevant the rmistor based on the Error code shown to the left.
Source: Daikin Service Manual News M-11010: Error code sub-code in BRC1E61(71), SkyAir and VRV all models
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
About Daikin SkyAir/VRV BRC1E61 Detailed Error Codes Alarms
Daikin controllers include extensive self-diagnostics that flag or halt the machine when a fault is detected. Error code J9-02 on the SkyAir/VRV BRC1E61 Detailed Error Codes 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: 177 Daikin SkyAir/VRV BRC1E61 Detailed Error Codes codes.
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