CONTROL BOARD — THE BRAIN OF YOUR A/C SYSTEM
CONTROL BOARD — THE BRAIN OF YOUR A/C SYSTEM
Your A/C control board manages communication between components and helps your system start, run, and shut down correctly.
✔ Controls system operations
✔ Sends signals to motors and compressor
✔ Helps thermostat communication
✔ Supports safe startup and shutdown
✔ Essential for reliable cooling
⚠️ A failing control board can cause no cooling, blower issues, short cycling, or system shutdown.
Common signs:
• A/C not turning on
• Fan runs constantly
• Outdoor unit not starting
• Intermittent cooling
• Burn marks or electrical smell
• Error codes or random shutdowns
Power surges, moisture, age, or loose wiring can damage the board.
Regular maintenance helps inspect wiring and protect sensitive electronics.
Small board, big control — don’t ignore control board problems.
Uptown Heating and Air Conditioning ❄️
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