Water heater suddenly display E1 causes and treatment methods:
The most common is the igniter (pulse generator) bad, igniter life in 4-5 years, causing igniter damage, due to the daily mundane startup and the user's own home voltage instability caused by the damage, as well as natural aging of the internal parts, how to judge the igniter has been bad? Methods: open the water heater face cover, open the water heater to observe, watch the fire hole whether you can see the spark, if there is no proof that has been bad, there are words to prove that there is no problem.
Water heater motherboard failure or completely broken, the reason is that the motherboard does not output 220V electricity to the ignition, resulting in the ignition can not work.
Discharge needle position is not appropriate, the repair method is generally used to have a certain gas water heater repair technology, open the water heater fire prevention board, take sharp-nosed pliers can be adjusted, discharge distance in 0.6cm can be.
The above is the water heater display E1 the most common several faults, but there are also external faults, such as stopping the gas, outdoor wind, low water pressure, etc., specific can only find the local brand after-sales service.