A miniature circuit breaker (MCB) on the mains unit has tripped to the OFF position

Possible cause: A fault has developed in the 230V circuit protected by that MCB, or too many appliances are drawing power at once.. Eliminate the fault (or reduce the load) before re-setting — switch the MCB back to the ON position.

The RCD (residual current device) does not switch off when the test button marked 'T' is pressed

Possible cause: The RCD unit itself is faulty.. Do NOT use the mains supply system. Call a qualified electrician.

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Bailey • Alicanto Grande II / Pegasus Grande SE / Unicorn V / Phoenix Plus / Discovery I • Electrical System

Bailey Electrical System (Oct 2022 Model Year)

View official manual on manufacturer's site ↗

Technical Specifications

Mains UnitThe mains unit (PDU) replaces a conventional fuse box, giving overload (MCB) and earth leakage (RCD) protection for the 230V supply.

Parts & Appliances Fitted

Master Troubleshooting & Diagnostics Matrix

Error Code / Indicator	Symptom / Meaning	Step-by-Step DIY Fix	Suggested Actions
`N/A`	A miniature circuit breaker (MCB) on the mains unit has tripped to the OFF position Possible Cause: A fault has developed in the 230V circuit protected by that MCB, or too many appliances are drawing power at once.	Eliminate the fault (or reduce the load) before re-setting — switch the MCB back to the ON position.	DIY Safe
`N/A`	The RCD (residual current device) does not switch off when the test button marked 'T' is pressed Possible Cause: The RCD unit itself is faulty.	Do NOT use the mains supply system. Call a qualified electrician.	Professional Intervention Required