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alarm routine troubleshooting
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When the alarm fails, please understand electrical professionals in the following table to check if you still can not exclude Check with your local service center or contact our head office.
Symptoms | Reason and Countermeasure |
The power does not | Power is not connected to the machine: ` Check the power cord if the polarity is reversed; Check the connector contact is good; Check the fuse is blown; |
No warning tone | Speaker and amplifier connection is bad burn or speaker damage, SCM damage: Check the speaker wiring contact is good; Replace the speaker; Replace the MCU (need to contact your local service center); |
Select a silent (except PA) police when individual audio files | Alert tone selector switch is bad or damaged internal microcontroller (microphone switch is pressed is muted): Replace the alert tone selector switch (need to contact your local service center); Replace the MCU (need to contact your local service center); |
Police or amplified sound distortion | Speaker is damaged or unstable power supply voltage (high or low): Replacing the matching speaker; Check the power supply meets the requirements (12 ± 1.5V); |
repair and maintenance
This product transportation and storage Note: You must light up with light, not on a wet storage places.
The alarm device belongs to electronic products, no sealing performance, a drop of water after the installation is prohibited to enter the alarm device, so please do not store a variety of wet objects on the alarm system.
As to meet the issues raised in the course of more than four, repair in accordance with the method described above.
