Appendix 
19
LED Troubleshooting 5
Power 
LED
Lit/
Flashing
Condition
How to Clear 
an Error
Solution
Red
Flashing twice 
per second, 
then off for 
1second
Battery failure
Lightly press the 
Power Button.
If the problem is still not resolved, 
replace the battery.
Flashing 
(1 second 
intervals)
• No Ribbon/Tape Cassette 
installed.
• Incorrect Ribbon/Tape Cassette 
installed.
• Incompatible Ribbon/Tape 
Cassette installed.
Insert the correct Ribbon/Tape 
Cassette.
Insufficient charge
Restart the label 
printer.
Make sure you have removed the 
protective sheet.
Charge the battery.
High temperature error
Lightly press the 
Power Button.
Wait a short while, then try again 
after the Power LED changes to 
green.
Transmission error
Restart the label 
printer.
When using a mobile device:
Establish a Bluetooth connection.
When using a computer:
• Reconnect the USB cable.
• Change the USB port.
Cutter error Restart the label printer.
Lit Program transfer failure
Transfer the program again.
If the problem is still not resolved, contact Brother 
customer service.
Flashing 
(0.3 second 
intervals)
System error
Contact Brother customer service.
(The flashing pattern may change if you touch the 
Power Button.)