Technical problem | Number of events (n = 41) | Controller exchange (n = 45) | Batteries change (n = 128) |
---|---|---|---|
Beeping without reason | 7 | 18 | 82 |
Security message | 10 | 9 | 5 |
Sudden change in charge capacity of a battery | 3 | 1 | 5 |
Red alarm (black display) | 3 | 3 | 1 |
The controller switches back and forth between batteries | 3 | 2 | 8 |
Red flashing in battery charger | 3 | 0 | 7 |
Critical battery | 1 | 0 | 3 |
HVAD stopped suddenly | 2 | 3 | 1 |
Electrical fault | 2 | 1 | 0 |
Other reasons: loose connection, damage, no communication to monitor | 7 | 8 | 16 |