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ERROR CODE: F37
ERROR TYPE: Low Water Pressure Error
PROBABLE CAUSE: This occurs when the water pressure sensor detects a low water pressure (0.4 bar) which may be dangerous for your device.
SOLUTION:
1- Check the heater circuit water pressure of your device.
2- Fill the system with water until the pressure reaches
1-1.5 bar (the error state is removed once the device reaches a pressure above 0.8 bar).
3- Check the valves and installation for leakage.
4- Check the
3-bar safety valve, and replace it if there is a problem.
5- Check the pressure inside the expansion tank and pressurize or replace it if necessary.
6- There may be a hole in the heat exchanger's helical pipe. Check and replace the heat exchanger if necessary.
7- Check all water connections in the boiler.
8- Check the connections and conductivity of the pressure sensor cables. If there is a problem, replace the cables. 9- Remove the connectors on the water pressure sensor and measure the DC voltage values while the boiler is connected to the power supply. Check whether the measurement is within the 4.9-5.1 V DC range. If the value is out of this range, replace the pressure sensor. 10- If the problem persists, replace the mainboard.
Updated on 9 January 2024, Tuesday
