background image

·

5

·

Fault analysis and troubleshooting

Causes

Low power 

Screen no display  

Low volume or no voice

Replace with a new battery

Dredge the sound hole 

Replace three batteries

Liaise with aftersales for 

Circuit board fault

Low battery  

Circuit board fault 

S

olutions

The fault phenomenon 

The battery is mounted 
in the opposite direction 

The battery 
rack has four 

No fixed time or 
voice and alarm  

The speaker hole is 
blocked by water and 
debris   

Liaise with aftersales
for maintenance   

Reviews: