How to Repair Solar Water Heaters

How to repair the electric heating failure of Sangle solar water heater?

1. Check whether the power cord is disconnected by the multimeter, and whether the connectors and plug-ins of the power cord are well connected. If they are not properly connected, they need to be connected;

　2. Press the small manual button of the overheat protector after the queue fails. In the actual maintenance, the fault is mostly caused by the open circuit of the power supply of the heating device.

　3. If the electric heating device stops heating, the contact of the fixed temperature relay may be burnt out, just replace the fixed temperature relay.

Failure phenomenon: When using electric heating, it cannot be heated.

   cause of issue:

　　1. The constant temperature relay is damaged.

　　2. The heater power supply is cut off.

　　3. The overheat protector tripped due to misoperation and cut off the heating power supply.