Tag: symptom
All the articles with the tag "symptom".
-
Rinnai Water Heater Leaking - Causes & Fix
Most likely an internal heat exchanger or piping leak triggering the leak detector. Inspect cabinet pan and all internal components for water.
-
Rinnai Water Heater Water Too Hot - Causes & Fix
Scale buildup in the heat exchanger blocks heat transfer and causes over-temperature faults. Flush the heat exchanger per Rinnai procedure.
-
Rinnai Water Heater Not Enough Hot Water - Causes & Fix
Usually too much simultaneous demand for the unit's capacity, low gas supply, or a dirty inlet filter restricting flow and heating output.
-
Rinnai Water Heater No Hot Water - Causes & Fix
Most often a clogged inlet water filter or insufficient flow to trigger firing. Clean the filter and verify minimum flow demand first.
-
Navien Water Heater No Ignition - Causes & Fix
Low gas pressure or a closed shutoff valve is the most common cause. Open the valve fully and verify gas supply before checking venting.
-
Navien Water Heater Leaking - Causes & Fix
Usually a loose fitting, leaking pressure relief valve, or clogged inlet filter causing flow issues. Isolate the leak source and check connections first.
-
Navien Water Heater Water Too Hot - Causes & Fix
Restricted water flow through the heater is the most common cause. Clean the inlet filter and check all valves are fully open.
-
Navien Water Heater Not Enough Hot Water - Causes & Fix
Flow sensor debris or sticking is the most likely cause when a Navien shows no error codes but won't produce hot water. Check and clean the sensor first.
-
Rheem Water Heater No Ignition - Causes & Fix
Low gas supply or a latched control fault. For LPG, check propane bottle level, cycle power at the outlet, and reopen the tap.
-
Navien Water Heater No Hot Water - Causes & Fix
Flow sensor not spinning properly due to debris is the most common cause. Open and close the pressure relief valve to clear it.
-
Rheem Water Heater Leaking - Causes & Fix
Usually a faulty T&P relief valve or loose pipe connection. Inspect the valve, connections, and tank seams to find the source.
-
Rheem Water Heater Water Too Hot - Causes & Fix
Usually a failed outlet temperature sensor or mineral scale buildup in a tankless unit (error code 16). Inspect the sensor and flush the heat exchanger.
-
Rheem Water Heater No Hot Water - Causes & Fix
Most often caused by ignition failure, flame loss, or insufficient water flow. Check the fault code on your unit's display first.
-
Rheem Water Heater Not Enough Hot Water - Causes & Fix
Usually caused by excessive demand or low flow rates. Check for simultaneous usage, verify minimum flow on tankless units, and flush sediment.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.