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5
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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