There are two reasons why the solar water heater displays e1:
1 There is a problem with the signal line.
2. The sensor terminal is in poor contact.
The cross sections of the two interfaces are square. There is a red dot on either side of the two square connectors. Both points must be on the same side. are the same color. If the same are connected together, they should be fixed in time.
You need to check whether the sensor terminals are connected correctly and whether the signal line is incorrectly connected or the signal line is disconnected.
Detailed information
Original working principle:
Usually, the solar water heater is installed on the roof of the building and connected to the user with two water pipes At home, use running hot water, and it also serves as a water supply pipe when water is supplied. The other pipe isused for evacuation. When the water is filled, it will overflow from here.
When water is supplied, the user manually opens the water supply valve. Because the tap water pressure is high, the water begins to flow upwards. Once the water fills the water tank, it will flow out. of the exhaust pipe B. When the user watches After the water overflows, close the valve and finish the water filling work.