Comen K1 - Page 53

Troubleshooting
Speaker and alarm light fault
Fault Phenomenon
Possible Reason
Inspection and Repair
Abnormal speaker sound, or no sound
Loudspeaker connection loose and disconnection
Check speaker connections
Horn failure
replace the horn
Mainboard failure
Replace the mainboard
The warning light flashes abnormally
or does not light up
Mainboard warning light failure
Replace the mainboard, or the alarm light components
on the mainboard