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12 Troubleshooting
12.1 Trouble shooting of the electrical supports
Symptom
Possible causes
Remedy
As soon as the
remote control is
connected, one
or several
supports
automatically
extend or retract.
Control unit error.
Disconnect remote control,
wait for 15 seconds and connect it
again.
If the problem continues to exist,
contact your Happijac dealer.
LED does not
light up, when
the remote
control is
connected.
Plug is not properly
inserted.
Check the plug connection.
Battery almost or
completely discharged.
Check battery and recharge as
necessary.
Fuse(s) blown.
Replace fuse(s).
Main switch switched off /
main fuse blown.
Switch main switch on / replace
main fuse.
LED illuminates
red during
operation.
Battery voltage too low in
order to move several
supports at the same
time.
Control unit error.
Move supports individually until
battery is recharged.
Disconnect remote control, wait for
15 seconds and connect it again.
LED illuminates
yellow during
operation.
System is in sleep mode.
Press buttons 5 and 6 at the same
time to reset the system.