Pack Over Temperature
Battery pack temperature exceeds safe limit (typically >45°C)
What it means
Battery pack temperature exceeds safe limit (typically >45°C)
Warning — Monitor the situation, may self-resolve.
Likely causes
- Charging in hot environment
- High discharge rates
- Internal cell issue
What to do
- 1Stop charging and allow pack to cool
- 2Move to cooler location before charging
- 3If occurs without load, have dealer inspect
Which bikes use this table
Recorded in the binary log rather than shown on the dash — every generation writes them.
Related codes
Other log file Thermal codes:
Dashboard codes for the same subsystem:
Questions
What does "Pack Over Temperature" mean in a Zero log?
Battery pack temperature exceeds safe limit (typically >45°C). It is written by the BMS. It is classed as warning: monitor the situation, may self-resolve.
What should I do about it?
Stop charging and allow pack to cool. Move to cooler location before charging. If occurs without load, have dealer inspect.
See when this actually happened on your bike
A dash code tells you the fault; the log tells you the pack temperature, the state of charge and the ten minutes leading up to it.
Sources:
Community reference: ZeroManual wiki entry
The code and its name are transcribed from Zero's own owner manuals; the severity, category and troubleshooting notes are ours. For official diagnostics, consult an authorized Zero Motorcycles dealer.