MY21H01 - 22_1.0_30.08.2020
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Troubleshooting, fault clearance and repair
9 Troubleshooting, fault clearance 
and repair
9.1 Troubleshooting and fault 
clearance 
The components of the drive system are checked 
constantly and automatically. If an error is 
detected, an error message appears on the 
display. The drive may be shut off automatically, 
depending on the type of error. 
9.1.1 The drive system or display do not 
start up 
If the display and/or the drive system do not start up, 
proceed as follows:
1 Check whether the battery is switched on. If 
not, start the battery.
 Contact specialist dealer if the battery level 
indicator LEDs do not light up.
2 If the LEDs on the battery level indicator light 
up, but the drive system does not start up, 
remove the battery.
3 Insert the battery.
4 Start the drive system.
5 If the drive system does not start up, remove 
the battery.
6 Clean all the contacts with a soft cloth.
7 Insert the battery.
8 Start the drive system.
9 If the drive system does not start up, remove 
the battery.
10 Fully charge the battery.
11 Insert the battery.
12 Start the drive system.
13 Contact your specialist dealer if the drive 
system does not start up.
9.1.2 Error message
If an error message is displayed, run through the 
following actions:
1 Make a note of the system message. There is 
a table containing all system messages in 
Section 6.3.
2 Shut off and re-start the drive system.
3 If the system message is still displayed, 
remove the battery and then re-insert.
4 Re-start the drive system.
5 If the system message is still displayed, 
contact your specialist dealer.