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ERROR CODE: E33
ERROR TYPE: Return Water Temperature Sensor Error
PROBABLE CAUSE: Return water temperature sensor short or open circuit
SOLUTION:
1- Check the cable connections and ensure the cables are not damaged. If there is a problem, replace the CH return sensor cable.
2- Check if there is any rusting, corrosion, or deformation inside. Also measure the resistance at the points where the copper contacts the pipe and ensure that it is in the appropriate range.
3- If there is a problem, replace the CH return sensor cable and reset the device.
4- If the problem persists, replace the CH supply sensor cable as well.
Updated on 9 January 2024, Tuesday
