Epson TM L90 - Page 117

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