Q: After I turn the heater on for a few seconds the temperature fluctuates and then an error light E05 goes on,but there is a sound of rocks or sand or gravel where the thermostat is located, where the water Read More …
Q: After I turn the heater on for a few seconds the temperature fluctuates and then an error light E05 goes on,but there is a sound of rocks or sand or gravel where the thermostat is located, where the water Read More …