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Troubleshooting AMX
Error Number
Battery voltmeter calibration required
Error Code / System Message
VOLTMETER ERR 1/4; BATTERY ERROR 1-4
Error Question
What does AMX-Series battery-voltmeter calibration do?
Short Answer
It establishes the relationship between actual battery voltage and VCO frequency so the CPU can convert measured frequency into battery voltage.
Possible Causes
Battery-voltage display/calibration mismatch.
Troubleshooting Steps
Perform voltmeter calibration when VOLTMETER or BATTERY calibration errors occur, then verify displayed voltage against an external meter.
Parts Areas to Check
Battery-voltage VCO; CPU; charger board
For Related Models
AMX-4, AMX-4+, Definium AMX 700
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