Tag: hvac
All the articles with the tag "hvac".
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Fujitsu Mini Split Ice on Coils - Causes & Fix
Ice on indoor coils is usually caused by a dirty air filter or clogged evaporator blocking airflow. Clean or replace the filter first.
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Fujitsu Mini Split Blowing Warm Air - Causes & Fix
Usually a dirty air filter or wrong mode setting. Check the filter, verify the system is in Cool (not Heat or Fan), and inspect outdoor-unit operation.
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Fujitsu Mini Split Leaking Water - Causes & Fix
A clogged condensate drain line is the most common cause. Clear the drain with a shop vac and flush with water to restore flow.
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Fujitsu Mini Split Not Heating - Causes & Fix
Most often a dirty filter, thermistor failure, or 4-way valve problem. Check filters first, then sensor voltage and reversing valve.
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Fujitsu Mini Split Not Cooling - Causes & Fix
Dirty air filters blocking airflow are the most common cause. Clean or replace filters, then check for error codes on the indoor LED.
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LG Mini Split Ice on Coils - Causes & Fix
Ice on coils is usually a dirty filter blocking airflow. Clean or replace the indoor filter, then power off for 2 hours to defrost fully.
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LG Mini Split Won't Turn On - Causes & Fix
Usually a tripped breaker or loose terminal connection cutting supply power. Verify the breaker, check voltage at both units, and inspect all wiring before checking sensors or boards.
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LG Mini Split Blowing Warm Air - Causes & Fix
Usually wrong mode or dirty filter. Check remote is set to Cool, target temp is low enough, then clean indoor filter and coil.
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LG Mini Split Leaking Water - Causes & Fix
A clogged condensate drain line is the most common cause. Flush the drain hose with water and clear any algae or debris to restore flow.
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LG Mini Split Not Heating - Causes & Fix
Most often caused by incorrect mode or setpoint. Verify heat mode is active and thermostat is set above room temperature.
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Daikin Mini Split Ice on Coils - Causes & Fix
Ice on the indoor coil usually means blocked airflow from a dirty filter or a failed indoor fan motor. Clean or replace the filter first, then check if the fan is running.
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Daikin Mini Split Blowing Warm Air - Causes & Fix
Usually wrong mode, dirty filters, or low refrigerant. Check the remote is in COOL with temp below room temp, clean filters, then call for refrigerant check.
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Daikin Mini Split Won't Turn On - Causes & Fix
No power to the indoor unit is the most common cause. Check the breaker, power plug, and verify the remote batteries are fresh.
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Daikin Mini Split Not Cooling - Causes & Fix
Usually caused by dirty indoor air filters or incorrect thermostat settings. Clean or replace the filter and verify cooling mode and setpoint.
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Daikin Mini Split Leaking Water - Causes & Fix
Most often caused by a clogged condensate drain line. Turn off the unit, check if water exits the outdoor drain hose, and vacuum or flush the line clear.
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Daikin Mini Split Not Heating - Causes & Fix
Usually wrong mode setting or dirty filters. Check the remote is set to HEAT mode and temperature is above room temp, then clean filters.
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Mitsubishi Mini Split Ice on Coils - Causes & Fix
Ice on coils usually means dirty air filters are choking indoor airflow. Clean or replace filters, then let the unit thaw completely.
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Mitsubishi Mini Split Blowing Warm Air - Causes & Fix
Usually wrong mode or dirty filters. Check that the remote is set to Cool, clean the indoor filter, and verify the outdoor unit has power.
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Mitsubishi Mini Split Won't Turn On - Causes & Fix
Usually caused by a tripped breaker or dead remote batteries. Restore power, replace batteries, and use the CHECK button to read codes.
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Mitsubishi Mini Split Leaking Water - Causes & Fix
Water drips from your indoor unit when the condensate drain line is clogged. Vacuum the drain outlet and clean the air filter.
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Rheem Furnace Blower Won't Shut Off - Causes & Fix
Usually the thermostat fan switch is set to ON instead of AUTO, or there's a shorted wire between R and G creating a constant fan call.
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Mitsubishi Mini Split Not Cooling - Causes & Fix
Most often dirty air filters or blocked coils trigger protective shutdown. Clean filters, check fault code via failure mode recall, and inspect wiring.
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Rheem Furnace Igniter Not Working - Causes & Fix
Most often the igniter element has cracked or failed open. Test it with a multimeter at the leads for continuity and replace if open.
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Rheem Furnace Blowing Cold Air - Causes & Fix
Most often the thermostat fan is set to ON instead of AUTO, running the blower constantly with no heat call. Switch to AUTO first.