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Description
System message 
The drive system monitors itself continuously and if an 
error is detected, it is indicated by a system message. 
The system may switch off automatically depending on 
the type of error. There is a table of system messages 
in the appendix 
4. Driving light symbol
The driving light symbol is shown when the light is on.
5. Service symbol
The service symbol is shown if there is a malfunction.
6. Charge status indicator
The charge status indicator displays the bicycle 
battery charge level, not the display internal charge 
level. You can also see the battery charge status on 
the LEDs on the battery itself. Each bar in the 
rechargeable battery symbol on the screen (g) 
represents about 20% capacity.
The battery is fully charged.
The battery needs to be recharged.
The LEDs on the battery charge level indicator have 
gone out. The capacity for drive assistance has been 
used up and assistance is gently switched off. The 
remaining capacity is reserved for lighting and the 
display. The screen flashes. The bicycle battery 
capacity is sufficient for about 2 hours more bicycle 
lighting. 
Symbol Meaning
EN_034-11592_1.0_0.01_19.08.2018_HERCULES BOSCH Purion MY19_Inhalt.book  Seite 45  Montag, 19. November 2018  11:00 11