The Device Won't Turn On ¶ 

The phone will not light up or display anything.

Unplugged power cord ¶ 

Make sure your device is properly plugged into a working outlet.

(to check this, plug a light into the outlet and see if it turns on)

Still not working ¶ 

At this point it is recommended that you replace the circuit board, as this is the most likely cause of the problem. Follow the Nortel Networks i2004 IP Circuit Board Guide and put the new circuit board in instead of the old one.

The display is not displaying anything ¶ 

Screen is blank or shows distorted lines.

Screen is blank ¶ 

If the display is just not making sense try unplugging the phone, waiting a minute then plugging it back in.

Screen needs to be reset ¶ 

If the display is not working, type in the factory reset code (**73639MAC##)

Bad Connection ¶ 

Follow the Nortel Networks i2004 IP Circuit Board Guide and focus on checking all of the wiring connections to make sure the display panel is connected.

Bad Circuit Board ¶ 

The circuit board is faulty and needs to be replaced. Follow the Nortel Networks i2004 IP Circuit Board Guide and put the new circuit in instead of the old one.

Device doesn't emit sound ¶ 

'' Your phone has no sound or the only sound you hear is static' "

Check the volume level ¶ 

With the device turned on and plugged in, make sure that the volume is all the way up. If this does not solve your problem, continue reading.

Broken speakerphone ¶ 

If the volume is all the way up and no audio is coming out of the speakers you may have a problem with the speakers or wiring. Check the Nortel Networks i2004 IP Speaker Guide if this is the case.

Unplugged telephone line cord ¶ 

Make sure your phone is plugged into the proper phone jack.

(to check this, use a phone that you know works)

No sound from headset ¶ 

If you can hear them and they can't hear you, you need to replace your handset. Refer to the Nortel Networks i2004 IP Handset Guide.

Device doesn't respond to input ¶ 

Pressing buttons does nothing

Blocked contacts ¶ 

There may be dust or other particles preventing the buttons from making the circuit they need to provide input. Use the Nortel Networks i2004 IP Buttons Guide to get to the buttons and clean the dust out from the buttons.

Button Replacement ¶ 

Check to make sure that the buttons are not simply misaligned. If they are, attempt to jiggle them back into place. If this does not appear to work, the buttons may be broken. Refer to this guide for help with replacing the Nortel Networks i2004 IP Buttons Guide.

Broken Circut Board ¶ 

If your phone still doesn't respond to input after clearing the contacts, the circuit board may be broken. Follow the Nortel Networks i2004 IP Circuit Board Guide and put the new circuit in instead of the old one.

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