Tag: symptom
All the articles with the tag "symptom".
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
Rheem Furnace Won't Turn On - Causes & Fix
Most often a dirty flame sensor or air filter causing the unit to lock out on ignition failure, flame loss, or limit trip.
-
Rheem Furnace Not Heating - Causes & Fix
A dirty flame sensor is the most common cause. Clean the sensor rod with fine steel wool or emery cloth and verify the gas valve is open.
-
Trane Furnace Igniter Not Working - Causes & Fix
Usually a cracked or failed hot-surface igniter. Less often, bad wiring, a faulty control board, or a gas valve issue prevents ignition.
-
Trane Furnace Blowing Cold Air - Causes & Fix
Usually the thermostat fan is set to On instead of Auto, so the blower runs non-stop even when burners are off. Switch to Auto.
-
Trane Furnace Short Cycling - Causes & Fix
Short cycling usually means a dirty air filter is blocking airflow and tripping the limit switch. Replace the filter first.
-
Trane Furnace Not Heating - Causes & Fix
Most often a dirty filter blocking airflow or a thermostat set wrong. Check power, filter, gas supply, and read the blink code.
-
Trane Furnace Won't Turn On - Causes & Fix
Usually caused by a thermostat set incorrectly, dead batteries, or a tripped breaker. Check power and settings first.
-
Lennox Furnace Short Cycling - Causes & Fix
Short cycling is usually caused by a dirty air filter restricting airflow. Replace the filter and check that all vents are open.
-
Lennox Furnace Blowing Cold Air - Causes & Fix
Usually caused by thermostat fan set to ON instead of AUTO, or a dirty filter blocking airflow. Switch fan to AUTO and replace filter.
-
Lennox Furnace Won't Turn On - Causes & Fix
Most often caused by no power to the unit (tripped breaker or blown fuse). Check breaker, service switch, and furnace fuse first.