9
Troubleshooting
If a fault occurs, the "Fault" symbol lights up or
flashes on the LED information panel. The fault
must be rectified for further operation.
"Fault" symbol flashes
If the "Fault" symbol flashes, the fault can be recti-
fied by the user or operator. Possible faults are, for
example:
n Fault during the charging process
n Undervoltage or overvoltage is present
To correct the fault, observe the following se-
quence:
u End the charging process and unplug the char-
ging cable.
u If necessary, wait until undervoltage or over-
voltage is no longer present.
u Plug the charging cable back in and start the
charging process.
If it was not possible to rectify the fault, con-
tact your service partner.
"Fault" symbol lights up
If the "Fault" symbol lights up, the fault can only be
rectified by a qualified electrician.
The tasks described below may only be car-
ried out by a qualified electrician.
Possible faults are, for example:
n Self-test of the electronics failed
n Self-test of the DC residual current monitoring
failed
n Welded load contact (welding detection)
The configuration tool is required to view a
diagnosis of the fault and download log
files.
1 "6.5 Description of the configuration
tool" [
19]
}
24
To correct the fault, observe the following se-
quence:
u Disconnect the product from the power supply
for 3 minutes and restart.
u On our website under "Services" > "Software
updates", check whether a firmware update is
available and upload it via the configuration tool
if necessary.
1 "1.1 Website" [} 2]
u Read out the fault diagnosis in the configuration
tool and rectify the fault.
You can find a document on troubleshoot-
ing on our website under "Services" > "Doc-
uments for installers". The fault messages,
possible causes and possible solutions are
described there.
1 "1.1 Website" [
u Document the fault.
You can find the MENNEKES fault report on our
website under "Services" > "Documents for in-
stallers".
1 "1.1 Website" [} 2]
9.1
Spare parts
If replacement parts are necessary for troubleshoot-
ing, these must first be checked to ensure identical
design.
u Use only original spare parts that are provided
and / or approved by MENNEKES.
1 See the installation manual for the spare part
2]
}