E8
Different software
versions
E9
Defective key
E10
Connection errors
E11
Battery voltage
126746
Software version is
different on activated lifting
units.
Defective key detected
when switching on.
Key was pressed for more
than 2.5 minutes.
No connection between
motherboard and input
board.
Battery voltage too low.
HydroLift
Error messages
2. Key for slow lowering
(Error? Check / replace
small lowering valve and
wiring).
3. Put in pawl (Error? Check
/ replace large lowering
valve and wiring).
4. Lowering key (Error?
Check / replace solenoid
valve and pawl wiring).
Update software on all lifting
units.
Replace defective key.
Check cables between
boards and replace if
necessary.
Check circuit boards.
Charge battery.
113