Dear All expertise,

i have a problem in Jungheinrich Type EFG 316 AC System the S/N:FN 331368 48 Volt.

the problem is, in the display is always flashing picture of Key

but the unit is normal to operate.my purpose is what is the meaning of flashing of key picture?

anyone can help me.i also have the picture and the video for this.please email me at:

sakuracental at gmail dot com

please advice and thanks for your kindly attention and good cooperation