Epson TM-L90 Technical Reference Manual page 117

❏ TM-L90 Peeler Model unrecoverable errors
Unrecoverable Errors
Error name
R/W error in memory
High voltage error
Low voltage error
CPU execution error
Internal circuit
connection error
UIB error
Type of error
After R/W checking, the
printer does not work
correctly.
The power supply voltage
is extremely high.
The power supply voltage
is extremely low.
The CPU executes an
incorrect address or I/F
board is not connected.
Internal circuits are not
connected correctly.
An abnormal operation
occurs in UIB.
TM-L90/TM-L90 Peeler Model Technical Reference Guide
Error LED flash code
Approx.320 ms
LED ON
LED OFF
Approx.5120 ms
LED ON
LED OFF
LED ON
LED OFF
LED ON
LED OFF
LED ON
LED OFF
Approx.2560 ms
LED ON
LED OFF
Recovery measure
Impossible to
recover.
Impossible to
recover.
Impossible to
recover.
Impossible to
recover.
Impossible to
recover.
Impossible to
recover.
Handling 117