There are many causes for ICON charger flashes. The exact cause depends on the number of flashes between pauses.
The chargers in ICON EV vehicles flash to indicate a variety of problems. If there is an issue, then your charger will flash a set number of times in a row, pause, then repeat.
If your charger is flashing, then count the number of flashes that occur and check the corresponding cause below.
One Flash
Cause
Charge enable fault or battery temperature fault.
Solution
Check connector contacts and retry. Otherwise, check that battery temperature is between -10°C - 50°C (14°F - 120°F).
Two Flashes
Cause
Battery voltage is either too low or too high.
Solution
Check that battery voltage is between 36.0V - 55.2V and retry. While charging, ensure that voltage is < 67.2V.
Three Flashes
Cause
Charge timeout caused by battery pack not reaching required voltage; or charger output reduced due to high temperatures.
Solution
Check connections and ensure that the battery type matches the selected charge profile. Additionally, operate the charger at a lower ambient temperature. Finally, reset the charger by interrupting AC power for 15+ seconds.
Four Flashes
Cause
Battery could not be trickle charged up to minimum voltage.
Solution
Check for shorted or damaged cells. Reset the charger by interrupting AC power for 15+ seconds.
Five Flashes
Cause
Charger shutdown due to high internal temperature.
Solution
Ensure sufficient cooling airflow. Reset the charger by interrupting AC power for 15+ seconds.
Six Flashes
Cause
Internal charger failure.
Solution
Reset the charger by interrupting AC power for 15+ seconds. Return to service depot if issue persists.