Unrecoverable Errors - Epson TM T70 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
High voltage error
Low voltage error
CPU execution error
Internal circuit
connection error
UIB error
Error description
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 is executing an incorrect address.
Internal circuits are not connected
correctly.
An abnormal operation occurs in UIB.
Chapter 1 Product Overview
Error LED flash code
Approx.
160 ms
Approx.2.56 s
17
1