FES Discharger 2, user manual v1.1
December 2019
Page 8 of 9
4.
Discharging process is finished at 50% SOC. Buzzer sound becomes active for 10
seconds and a text “BAT PACK DISCHARGED” is displayed.
The cooling fans stop working when the temperature inside the discharger drops to 40
0
C
or less.
5. Error messages
Error message
Sound
Error description
Error reset
“INPUT VOLTAGE
TOO LOW”
0.2 s sound / 1 s
pause
Battery voltage is
under 49V.
Charge the battery.
“TEMPERATURE TOO
HIGH”
1 s sound / 1 s pause
Inside temp. of
discharger is above
65
0
C.
Press STOP button or
disconnect the cables.
“CHECK FUSE”
2 s sound / 1 s pause
The fuse is missing or
is blown.
Disconnect the cables
and replace the fuse.
“FAN ERROR”
3 s sound / 1 s pause
The fan is broken or
stuck.
Disconnect the cables
and remove the
obstacle.
In case of any other fault or damages, please contact LZ design directly.
