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    HVAC Repair Guides

    Model-by-model troubleshooting for the most common HVAC systems we repair in the Antelope Valley. Try the steps yourself — or call (661) 310-3340 and we'll dispatch a technician same-day.

    Every repair below is performed by a technician backed by our C-20 license, EPA 608 and NATE certifications. Prefer to start from the manufacturer? Browse the full HVAC brand catalog.

    Carrier

    Premium
    24ACC636A003
    Central AC · 3-ton · 16 SEER
    Fixes: Not cooling, Outdoor fan not spinning
    25VNA8 Infinity
    Heat Pump · 2–5-ton · 24 SEER2
    Fixes: E1 fault on Infinity thermostat, Communication loss
    58MVC Infinity 98
    Furnace · 80–120 kBTU · 98% AFUE
    Fixes: Code 33 (limit switch), Blower runs constantly

    Trane

    Premium
    XV20i TruComfort
    Central AC · 2–5-ton · 22 SEER2
    Fixes: TCONT thermostat comm loss, Compressor won't modulate
    XR16
    Central AC · 1.5–5-ton · 17 SEER
    Fixes: Warm air from vents, Compressor humming but not starting

    Lennox

    Premium
    XC25
    Central AC · 2–5-ton · 26 SEER
    Fixes: iComfort S30 error, Variable-speed compressor won't ramp
    EL16XC1 Elite
    Central AC · 1.5–5-ton · 17 SEER
    Fixes: Not cooling, Loud outdoor unit

    Goodman

    Value
    GSXC18
    Central AC · 2–5-ton · 19 SEER
    Fixes: Two-stage stuck in one stage, Compressor grumble on startup
    GSX16
    Central AC · 1.5–5-ton · 16 SEER
    Fixes: Warm air, Contactor buzzing

    Bosch

    Premium
    IDS 2.0 Inverter Heat Pump
    Heat Pump · 2–5-ton · 20.5 SEER2
    Fixes: Fault code E-51 (comm loss), Reduced heating in cold

    Mitsubishi Electric

    Premium
    MSZ-FH Wall Mount
    Mini-Split · 9–24k BTU · 30.5 SEER2
    Fixes: Blinking green light, Water dripping from indoor head
    MXZ-C Series Multi-Zone
    Mini-Split · 2–5 heads · 20 SEER2
    Fixes: One zone not cooling, Uneven capacity between heads

    Daikin

    Premium
    Daikin Fit DZ17VSA
    Heat Pump · 1.5–5-ton · 17.6 SEER2
    Fixes: L5 fault, Compressor won't start

    Fujitsu

    Premium
    9RLS3H Halcyon
    Mini-Split · 9k BTU · 33 SEER
    Fixes: Timer light flashing, Reduced cooling

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