Stellar 4500 Manual
10-5
P
roblem:
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? (Control 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)
With 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 receiver. 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. Y
es –
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 ground 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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