1, the indicator is not boil water if filter kettle after electrify indicator, but filter kettle doesn't work, you will need to check if there is a voltage input filter kettle.
In general, this often happens, either the power plug is not firm, or filter kettle heating tube is often out of order.
2, water without opening the power usually in this case, the filter kettle temperature control are associated with a thermostat, filter kettle temperature controller, the filter in the process of the kettle, the role is to monitor the kettle temperature, reaches a certain value, power protection.
If when boiling water filter kettle temperature wasn't up to standard values of power, temperature controller may be damaged.
To cope with a thermostat to repair, could not repair will need to change the thermostat.
3, filter water leakage for a long time often use filter kettle and no maintenance on a regular basis, it is easy to happen leakage leakage phenomenon.
In this case, the use of filter kettle is very dangerous, carelessly may cause fire and electric shock.
At this time, if have a certain knowledge of electrician, can use the multimeter to test maintenance.