TQ 4 A Charger, User Manual, Page: 9 / 62

EN - 8
3.2 Notes on the charging process
NOTE
The temperature of the Battery or Range Extender must be within the
permissible charging temperature range (0 °C to 40 °C / 32 °F to 104 °F).
Otherwise, the charging process will not be started.
— The drive system is deactivated in the following cases:
• While the Battery is charging.
• When the Range Extender is connected to the charging port of the
Battery in the bike frame and is charging.
— The state of charge of the Battery and the Range Extender can be read
separately on the Display.
— The state of charge of the Range Extender can also be read from the 6
LEDs located on the side of the Range Extender.
3.3 LED-states on the Charger
LED-state Description
Off Charger is not connected to the power supply
Red blinking Standby (no Battery connected)
Green blinking charging
Green permanent
light
Charging process completed
Red permanent
light
Error (Overvoltage, undervoltage, short-circuit at
output, overcurrent, overtemperature, wrong polarity)
Tab. 2: LED-states on the Charger