PLB40
6.6
Replacing fuses
➤ Ensure that the battery pack is not connected to AC/DC or DC/DC charger.
➤ Disconnect all loads.
➤ Press the power button for at least 3 s to switch the battery pack off.
➤ Undo the fuse holder.
➤ Replace the fuse with a 20 A 3 AG glass-slow acting fuse.
7
Troubleshooting
Problem
The display shows the
warning symbol and the
low / high temperature sym-
bol flashes. An error sound is
continuously beeping dur-
ing charging.
The display shows the
warning symbol and the
low / high temperature sym-
bol flashes. The device
beeps for 15 seconds and
then switches off automati-
cally during discharging.
The display shows the warn-
ing symbol and the fuse
blown symbol flashes. An
error sound is continuously
beeping for 30 seconds.
The display shows the warn-
ing symbol and the charge
arrow symbol flashes. An
error sound is continuously
beeping.
EN
Cause
The ambient temperature for
charging the device is too
low / high.
The ambient temperature for
discharging the device is too
low / high.
The DC output fuse has
blown. Additionally the DC
symbol flashes in the display.
The 2-PIN fuse has blown.
Additionally the 2-PIN
symbol flashes in the display.
The input voltage of the
charger is wrong.
Troubleshooting
Remedy
Stop charging the device.
Turn the device off. Wait until
the ambient temperature
comes to a permitted value
(chapter "Technical data" on
page 15).
Stop discharging the device.
Turn the device off. Wait until
the ambient temperature
comes to a permitted value
(chapter "Technical data" on
page 15).
Turn the device off.
Change the DC fuse (chapter
"Replacing fuses" on
page 13).
Turn the device off.
Change the 2-PIN fuse (chap-
ter "Replacing fuses" on
page 13).
Turn the charger off. Connect
a charger with the standard
charge voltage (chapter
"Technical data" on
page 15).
13