18
12. Trouble Shooting
Power On, operate remote
controller(transmitter), but no
reaction.
Motor is functional but the
boom doesn’t work.
Boom does not reach correct
position when opening and
closing.
Boom shakes at Open Limit
and Close Limit.
Trouble
Possible Reason
Fuse blowout.
Check fuse inside control
box and power supply.
Change the batteries in
transmitter.
No battery or dead battery
in remote
controller(transmitter).
Frequency interference.
Optical counter malfunction.
Control board malfunction.
Boom starts at middle
position.
Spring force is not balance.
Readjust the balance.
Refer to Fig
.
15 (See page 10).
Reset.
Low power voltage.
Incorrect Linkage
adjustment.
Incorrect Limits setting.
The Lock Flat Key between
Boom Main Shaft and
Boom Holder is loose.
Change the Lock Flat Key.
Check if the input power is
at proper range.
Change Optical counter.
Change control board.
External protectors’ circuit
malfunctioned or at
working status.
Check the External
Protectors or change them
if need.
Use manual release to set the
boom at Open status orClose
status, then use controller to
start again.
Press “Open” or “Close” on the
Main Board to teso if needed ,
connet a wired controller.
Solution
