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There are no user serviceable parts within the electrotherapy units. There are, however, certain error codes and symptoms
that indicate a problem with the unit. Error Codes | Problem | Possible Causes | Corrective Steps | | | | | 41 | Charger Over Voltage | 1. Bad Battery. 2. Internal Component Failure. | Return the unit and AC adapter to CSI for repair. | 42 | Charger Low Voltage | 1. Bad Battery. 2. Bad AC Wall Adapter 3. Internal Component Failure | Return the unit and AC adapter to CSI for repair. | 43 | Charger Over Temperature | 1. Internal Component Failure | Return the unit and AC adapter to CSI for repair. | 44 | Charger Low Temperature Fault | 1. Trying to charge the battery in a low temperature environment 2. Bad Battery. 3. Internal Component Failure | 1. Warm the unit and retry the charge cycle. 2. Return the unit and AC adapter to CSI for repair. | 45 | Output Feedback Fault | 1. Internal Component Failre | With this error the units will cease to function as a safety precaution. The user should discontinue use immediately and contact CSI for repair. | | Charger Not Charging or Shortened Run Time(will not hold a charge) | 1. Bad Battery. 2. Bad AC Wall Adapter | Return the unit and AC adapter to CSI for repair. |
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