DEC VT420 - Page 29

Troubleshooting and Testing 21
Table 2–3 (Cont.) VT420 Display Error Codes
Error Message Solution
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11. If the error continues, replace the
terminal board (3.3).
RS-232 Port Data Error - 2
(worldwide model only)
Replace the terminal board (3.3).
RS-232 Port Controls Error - 3
(worldwide model only)
Replace the terminal board (3.3).
Keyboard Error - 4 1. Make sure the keyboard is plugged
in.
2. Replace the keyboard (3.4).
3. If the error continues, replace the
terminal board (3.3).
DEC-423 Port Error - 5 Replace the terminal board (3.3).
Printer Port Error - 6 Replace the terminal board (3.3).
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Section numbers follow the solution.