Jandy Industries 6474G Power Center

The Jandy Industries 6474‑G Power Center is a control board for pool and spa automation, featuring the ALRS8 processor and integrated relays for pump, heater, and filtration management. Common failures on this model include burnt or tripped relay contacts, degraded capacitors on the power supply section, and firmware corruption leading to display or sensor readouts that hang or show “error” codes. First‑check diagnostics: verify 24 V DC input and proper polarity; inspect all electrolytic capacitors for bulging or leakage; review any displayed error codes against the Jandy troubleshooting guide; and test relay operation with a multimeter for continuity and correct switching behavior.[oss-gpt-20b]

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We specialize in the repair and refurbishment of high-end industrial control electronics and power systems like this unit.

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