Furukawa Unic URW370C4U Series, Operation & Maintenance Manual

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12-8
U-WAVE, Radio remote control device, (Option)
Before starting crane operation, check that the control box functions correctly according to pro-
cedures below.
1.
◆
Checking mode indicator lamp
Inspection before crane operation
Mode indicator
lamp
Do not make a crane operation while system diagnosis is being car-
ried
out.
If the crane is operated during the system diagnosis, voice mes-
sage, “Beep, Service remote control, Service remote control”, sounds
and the crane is turned into inoperable conditions.
If this happened, depress the reset switch in the control box.
This starts the system diagnosis again.
Remarks
Since power to the “control box” is to be controlled by the engine starter key, it is ener-
gized automatically when starting the engine and “mode indicator lamp” in the “control
box” lights.
Also, the “power lamp” on the “radio control receiver” blinks in green.
2.
◆
System diagnosis
The “mode indicator lamp” makes a full
lighting as in [
] for about 2 seconds after
the starter key is turned ON.
• Electronic circuit in the control box is func-
tioning correctly,
• Manual control lever is at its neutral posi-
tion, and
• Radio control receiver is connected to the
crane and the receiver functions normally.
The crane is carrying out system diagnosis
while the “mode indicator lamp” is fully lit up.
What is to be checked during system diagnosis
is if:
CAUTION