59Troubleshooting 59
Problem:
Transmitter will not communicate with the Receiver.
(Note: Make sure the PTO is fully engaged when troubleshooting the problem.)
1. Is the main power switch on? (Contr
ol panel located inside the cab.)
2. Is the emergency brake engaged?
3. Is the transmitter battery fully charged? (Note: When the battery is fully charged, there should be a quick
beep sound from the transmitter when toggling a function. A longer or constant steady beep indicates
that the battery charge is weak or going dead.)
4. Is the E-Stop switch button pulled out or engaged?
Check the receiver functions.
(Note: Remove the receiver cover located on the crane mast)
W
ith the main power on, check the following functions:
1. Is the yellow light flashing in the upper left hand corner of the receiver?
a. Yes –
i. Check the signal functions using the transmitter toggle functions - go to step 2.
b. No –
i. Check the 7.5 fuse located inside the r
eceiver. Replace the fuse if it has blown.
ii. If the 7.5 fuse is ok, check the crane power fuse. (Usually located under the chassis hood
near the 300 amp continuous duty solenoid.)
2. Does the green light in the upper left hand corner of the receiver flash when operating a toggle switch
on the transmitter?
a. Yes –
i. Go to step 3.
b. No –
i.
Carefully remove the switch face plate housing from the transmitter and check the
following areas:
1. Check to see if a jumper spade, from the CS458 TX-RF module, is loose or laying
inside the transmitter, either laying on, or beneath the coder board.
2. Check for broken wires on the CS458 TX-RF Module. (Blue, Red, and White with
blue stripes - Three wires total.
3. Check to make sure that the E-Stop 2 Wire connector plug (Located in the upper
right hand corner of the coder board) isn’t loose or disconnected. (Usually a grey
and white with brown stripe wire.)
4. Check for loose, corroded, or broken wires on the toggle switches. Note: If the
green light inside the receiver flashed constantly without engaging a toggle switch,
the coder board has failed or a toggle switch may be weak or broken.
3. Are the red LED function lights coming on when activating a toggle on the transmitter?
a. Yes –
i. Go to Step 4.
b. No –
i. The E-Stop switch or coder board has failed.
4. All lights are working properly?
a. Note: Radio system is functioning correctly - check the following areas:
i. Check for loose gr
ound wires.
ii. Check for loose or broken wires on the crane valve bank wiring harness.
iii. Check to make sure the flow control valve on the valve bank is actuating properly, using
the trigger assembly of the transmitter.
iv. Check the anti-2-blocking electrical circuit (Limit switch, cord reel, and pressure switch - if
applicable) for proper operation.
b. If problem cannot be determined, contact customer service at Stellar Industries.
4 & 7 Function Hetronic Radio Remote Troubleshooting
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