Calco Mfg 8482 Controller

Calco Mfg 8482 is an electronic flap control unit used on Piper PA‑3L‑T and PA‑31T1 aircraft. Common failure points include power supply board degradation (brown‑out or overvoltage), relay/contact wear in the flap drive circuitry, PCB trace burn from static or surge events, and loss of sensor/encoder signals to the actuator. First‑check diagnostics: verify 24 V DC input and proper regulator output; inspect all relays, fuses, and solder joints for cracking or discoloration; and review any recorded error codes on the unit’s diagnostic display before proceeding to component replacement.[oss-gpt-20b]

Need your Calco Mfg repaired or tested?

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

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