Water way alarm during self-test

Fault phenomenon: Self-test alarm when power-on, Jump out icon "Water velocity is abnormal"

Make judgments according to the alarm on the self-check interface：

State 1：

There is an alarm in Water Flow Testing

No alarm reported in Water Pump Testing

The possible reason for this situation is that the water flow rate detected by the system is relatively slow,

and the flow rate is less than the lower limit value of the flow rate (eg: 1.8L/min), the troubleshooting

sequence is as follows:

STEP1.The plug of handpiece socket is not plugged in, resulting in too low flow

A1: Remove and insert the plug of handpiece again to ensure that the handpiece is inserted into the place;

if abnormal noise or abnormal vibration occurs at the handpiece socket in the "Ready" state (during the

working process of the pump), checking whether the CPC water nozzle of the plug of handpiece socket

connect properly;

STEP2.The filter has been used for a long time and needs to be replaced

A1：It is recommended that customers replace the filter element

STEP3.Water way blockage

A2: Check whether the water pipe of the machine is compressed and deformed, resulting in poor water flow

State2：

There is an alarm in Water Flow Testing

There is an alarm in Water Pump Testing

The possible reason in this sitution is that the system can't detect the flow of water, at this time the flow rate

may be 0, the troubleshooting sequence is as follows:

STEP1.The water pump is not working

A: Whether there is a noise change of the pump "start" -> "stop" during the self-checking process, if not, it can

be judged that the pump is not working; please refer to:Warning E05 failure of water pump;

STEP2.The plug of handpiece socket is not tightly inserted, resulting in zero water flow

A: If the water pump is working normally, you can turn off and re-instert the handpiece to ensure that the

handpiece is in place; If there is abnormal noise or abnormal vibration at the handpiece socket in the

"Ready" state (during the operation of the pump), checking whether the CPC water nozzle of the applicator

socket matches properly;

STEP3.The filter has been used for a long time and needs to be replaced

A：It is recommended that customers replace the filter element;

STEP4.Water flow Hall sensor fails

A: If the water pump is normal and there is no problem with the handpiece socket, and the problem cannot

be solved after replacing the filter element, it is recommended that the customer replaces the water flow

Hall sensor.

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