Transmit modem READY LED not lit

If the transmit modem is not operating normally and its READY LED is not lit, as shown in Figure 47, take the following steps.

Check that the receive modem READY LED is continuously lit. If not, try the sequence in Problem: receive modem READY LED not on on page 55.

Check that the 25-pin connector is attached securely. See Figure 46.

Check to make sure the power cord is securely attached to the receive modem and plugged into the wall outlet or surge protector. See Figure 46. If the power cord was loose, the transmit modem READY led may come on.

If securing the power cord does not solve the problem, check all cable connections. Tighten any that seem loose.

If the transmit modem READY LED still does not come on, power cycle the DW4020 by unplugging the power cord from the wall outlet or surge protector, waiting ten seconds, and plugging it back in.

If the problem persists, contact technical support.

Receive modem READY LED continuously lit, showing that it is functioning

Transmit modem READY LED not lit

Figure 47: Transmit modem READY LED not lit

Chapter 4 • DW4020 LEDs and troubleshooting 1031484-0001 Revision 2

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Hughes DW4020 manual Transmit modem Ready LED not lit