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Thermo Fisher Scientific
Table 6-2. Troubleshooting - Alarm Messages, continued
Alarm Message
Possible Cause
Malfunctioning external device
Internal cables not connected
properly
Defective optional I/O expansion
board
Troubleshooting
Troubleshooting Guides
Action
Disconnect external devices
from board, and recycle
power. If alarm persists,
replace board.
Check that all internal cables
are connected properly.
Replace board.
Model 146i Instruction Manual
6-7
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Troubleshooting
