Laird Controls North America Inc. 818A ユーザーズマニュアル
Command Pro Engineered Systems
User Manual
User Manual
38
142134
3. Turn the transmitter ON. The SIGNAL LED should start to flash. If it does not:
a. Test the transmitter.
b. Verify that the ID Code is the same for the transmitter and receiver.
b. Verify that the ID Code is the same for the transmitter and receiver.
4. Turn the transmitter ON
a. Change the ID Code on the transmitter or receiver so that they are the same. Refer to
5. If only some functions are operating:
a. Check to see if the relay LEDs illuminate for inoperative functions.
b. Check the output voltage of the respective relays and the electrical circuits.
c. Check the condition of the transmitter switches.
d. Check the configuration sheet to verify that the problem function has been programmed to
b. Check the output voltage of the respective relays and the electrical circuits.
c. Check the condition of the transmitter switches.
d. Check the configuration sheet to verify that the problem function has been programmed to
the needs of the equipment.
6. If you are experiencing intermittent operation:
a. Check all connections; make sure that terminal strips are firmly snapped in place and that
the RF/Decoder board is firmly attached to the back of the Relay board.
b. Check the antenna connections.
c. On AC systems, ensure that noise suppression devices have been placed across the coils of
c. On AC systems, ensure that noise suppression devices have been placed across the coils of
all contactors.
7. If the operating range is short:
a. Check all antenna connections and transmitter operation.
b. On new installations, verify that the receiver antenna is placed properly.
c. If necessary, use an antenna mounting kit to relocate the antenna to a more favorable
b. On new installations, verify that the receiver antenna is placed properly.
c. If necessary, use an antenna mounting kit to relocate the antenna to a more favorable
location.
8. If a new board (21R22 only) does not work:
a. Check that the jumper for BD1, BD2, etc. is in the proper place.
7.6.1 Receiver Repairs
Note: Before repairs are carried out, we recommend that power to the crane is isolated and that all
tag/lockout procedures applicable to your facility are applied.
!
WARNING
Throughout the troubleshooting procedure, work is performed within the receiver cabinet while the
system is powered. Certain points in the cabinet contain dangerous voltages. Use extreme caution
when working inside the cabinet with power on.