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16 Carrier codes · 3 guides

Parts and tools for Carrier AC / heat pump codes

Drawn from the causes and steps in our 16 Carrier AC / heat pump code pages. For each part or tool you can see which Carrier codes name it. Searches that include the brand name open Amazon results and do not confirm that anything fits your model: use your model number and the part number in your manual.

consumable · named in 10 Carrier codes

AC and heat pump coil cleaning supplies

Why Carrier and Goodman AC codes tell you to check the coils for debris or ice, and the soft-touch supplies for gentle cleaning.

Carrier 31Carrier 32Carrier 49Carrier 53Carrier 55Carrier 56Carrier 83Carrier 84Carrier 88Carrier 95
Robinair 18403 fin comb / straightenerSearch: Gentle garden hose nozzleSearch: Condenser coil cleaner, general search
tool · named in 7 Carrier codes

Multimeter for appliance and HVAC diagnosis

What a multimeter measures, which manual steps call for one, how to choose one and the rules for using it safely.

Carrier 46Carrier 48Carrier 49Carrier 53Carrier 65Carrier 84Carrier 95
Fluke 117 digital multimeterKlein Tools NCVT-2 non-contact voltage testerSearch: Multimeter carrying caseSearch: Alligator clip test leads
consumable · named in 1 Carrier code

Furnace and AC air filter

How a dirty filter triggers furnace and AC codes, how often to change it, how to read the size and what the MERV rating means.

Carrier 84
Filtrete 16x25x1, 4 filtersFiltrete 20x25x1, 4 filtersSearch: Carrier furnace air filterSearch: Furnace air filter, general searchSearch: Furnace filter 16x25x1

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All Carrier AC / heat pump codes →Parts for all AC / heat pump brands

High voltageOutdoor units carry line voltage even when the thermostat is off. Switch off the disconnect and the breaker before opening any panel.