Unrecoverable Errors - Epson TM-T88V Technical Reference Manual

Unrecoverable Errors

Printing is no longer possible when unrecoverable errors occur. The printer must be repaired.
Turn off the power immediately when unrecoverable errors occur.
CAUTION
Error
Memory R/W error After R/W checking, the printer does not
work correctly.
High voltage error The power supply voltage is extremely
high.
Low voltage error The power supply voltage is extremely low.
CPU execution error The CPU is executing an incorrect address.
Internal circuit Internal circuits are not connected
connection error correctly.
Error description
Chapter 1 Product Overview
Error LED flash code
LED ON
LED OFF
Approx. 160 ms
LED ON
LED OFF
Approx. 160 ms
LED ON
LED OFF
Approx. 160 ms
LED ON
LED OFF
Approx. 160 ms
LED ON
LED OFF
Approx. 160 ms
Approx. 2560 ms
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