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Technician Bulletin

Issue 17 2010 – 10.25.10

Diagnostic Code

51-xxx SWiM

registration errors.

70-xxx Cannot Detect

Home Network

71-xxx Cannot Detect

Internet.

72-xxx Cannot Detect

Phone Dial Tone

73-xxx Cannot Detect

Phone Dial Tone

74-xxx

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Issue

Receiver is configured for SWiM

but cannot detect SWiM.

(Associated with 771A OSD).

Your receiver is configured to

work with a home network, but

the network was not detected.

Please check the network cabling

and equipment. Select "Test

Again" to see if this has solved

the issue. Communication

problem between receiver and

home network or router.

Your receiver detects the

presence of a home network,

however it cannot access the

Internet. If your network does

have a broadband connection

present, this may be due to the

receiver not obtaining a DNS

entry during DHCP negotiation

with your home network.

The receiver is connected to the

Internet, but no dial tone is

detected.

The receiver was previously

configured for a network, but the

Internet and the dial tone is not

detected. A 70 or 71 will also be

present.

Dish alignment test not run.

Resolution / Troubleshooting

Look for a faulty SWiM power inserter, a power

inserter on a switched electrical outlet or anything

inline that will not pass or attenuates the 2.3 MHz

control channel. These can often be non-DIRECTV

approved splitters added by the customer or long

cable runs. These issues can often be intermittent. An

accidentally attached b-band converter can also result

in a loss of SWiM communications.

Terms: Home network = Customer‟s router or ISP

modem. DNS = Domain Name System. It translates

domain names into an IP address that can be used by

the DIRECTV receiver or computer. DHCP = Dynamic

Host Configuration Protocol. It gets parameters

needed to operate in an IP network. Restore Network

Defaults. It doesn't restore entire receiver settings -

only resets the network settings for Internet

communication: After receiver resets to network

defaults: Select "Connect Now." Select "Test

Connection" to make sure your receiver can connect

to your network and the Internet.

This is a basic dial tone test. Check for a poor phone

line connector and that the phone line is plugged into

the correct jack. Test the phone line on a spare non-

powered phone. Access the hidden menu using the

menu and right arrow and run the modem test. Note

that if a diagnostic code 72 is displayed, this should

only impact caller ID since PPV details are reported

through the Internet.

Resend authorizations and retest.