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Troubleshooting AMX
Error Number
Fuse 3A blown
Error Code / System Message
3A fuse
Error Question
How do I identify a blown 3A fuse on the Definium AMX 700 Digital Power Supply?
Short Answer
With proper input voltage present, no voltage at debug-header connection 7 indicates the 3A fuse is the likely cause.
Possible Causes
Blown 3A fuse.
Troubleshooting Steps
Verify proper input voltage is present, then measure debug-header connection 7. If the reading is absent, inspect/replace the 3A fuse using the correct fuse orientation.
Parts Areas to Check
Digital Power Supply; 3A fuse; detector power-supply high-voltage output branch
For Related Models
Definium AMX 700
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