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Troubleshooting AMX
Error Number
Charger calibration required
Error Code / System Message
CAL CHGR ERR / CHARG BYTE/WORD LIMIT
Error Question
What does AMX-Series battery-charger calibration learn?
Short Answer
The charger calibration establishes the relationship between commanded charge current and measured charge-current feedback so actual charging current can be interpreted correctly.
Possible Causes
Charger-current feedback/calibration mismatch.
Troubleshooting Steps
Perform charger calibration when CHARG/CAL CHGR errors occur or after relevant charger/CPU service, then verify current feedback across the required ranges.
Parts Areas to Check
Charger board; CPU board; current feedback
For Related Models
AMX-4, AMX-4+, Definium AMX 700
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