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9. TROUBLE SHOOTING
Should the operator find the equipment not operating normally, please check the chart below for
simple trouble shooting tips.
POSSIBLE REASON
PROBLEM JUDGEMENT
SOLUTION
Crane malfunctioned
Try to operate the crane by a pendent. If it is
working, then the problem is on the crane
itself.
Repair the crane
1. Transmitter power
is not on.
2. Transmitter battery
voltage is low.
1. Both battery and status LED not lit.
2. Turn “on” the transmitter with EMS elevated.
Battery status LED red light constantly on.
1. Turn on the power
2. Replace the recharg
e-able battery.
No power to the
receiver (AC power
indicator on the
receiver unit not lit).
Check if the power indicator (AC) is
lighted
Ensure power input to
the receiver unit is
correct.
Blown fuse
Check if the fuse has blown
Replace the
Fuse.
Transmitter startup,
pushbutton/joystick
jammed
Under pushbutton jammed condition: First
check which pushbutton/joystick is jammed.
[Status LED]
Red fast blinks: Without jammed
Red blinks twice: Jammed
Description:
Under pushbutton jammed condition: [Status
LED] two red blinks. After all pushbuttons
and joysticks are released, move joystick 1.
If [Status LED] red blinks quickly, it means
joystick 1 is not jammed. If red LED
blinks twice, it means joystick 1 is jammed.
Please check all joysticks by following above
descriptions.
* Enable pushbutton [power startup without
checking pushbutton jammed] checking
bypass.
* [Standard selector switch] [Mixed mode
selector switch][Speed limit switch]
[EID/LID switch] checking bypass.
Replace/repair,
pushbutton/joystick