Question about Uniden 5.8GHz Cordless Phone

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Base unit displaying E4 after we experienced a power black out

Uniden 5.8GHz model DSS 7855+2.
Was connected into a surge protector power board and into a modem for node phone useage. We had a power outage for 6 hours.
Appears when power was reconnected the phone base initially displayed "Welcome please wait" followed after some time by message E4. Power has been disconnected for some time before reconnecting and unit still ends up displaying E4.
Any suggestions please?

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E4 error code that means it ihas defective base unit. it happened due to a spike in the power lines that may cause this error

Posted on Feb 09, 2009

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2 Answers

E4 - Erros My uniden phone model TRU 9485 - 4WX after outage power, now on LCD screen appear E4 and it didn't respond to any button when i press. I read some help which they say press 3 button...


Hello
Connect the phone line and power UP the base unit. Place the handset on base to get charged. It must reset automatically when you place the handset on base to charge. If not; resetting both handset and base unit is necessary.
Resetting the Handset

You may need to reset your handset in the following instances:

You lose a handset and purchase a new one. When you try and register to your existing base you get registration

failure.

You are unable to register any handsets to the base.

You had a base which needed to be exchanged by the manufacturer. When you register your existing handsets

to the base, the handsets say #3 and #4, but you only have 2 handsets.

When you are instructed to by the one of the manufacturer's call center representatives.

To reset, do the following:

Press and hold [ ] and [#] for more than 5 seconds. Select DEREGISTER HS.

WHICH HANDSET? appears. Select the handset that you want to de-register, and press the OK soft key.

DEREGISTER HS appears. Select YES, and press the OK soft key.

ARE YOU SURE? appears. Select YES, and press the OK soft key. You will hear a confirmation tone. The

handset will clear its registration information from the base, and then delete its own base information.

MODELS VARY! PLACE HANDSET ON THE BASE FOR REGISTRATION OR REFER TO OWNER'S MANUAL. To

re-register the handset to the base (see page 25).

If the handset cannot contact the base, it will display OUT OF RANGE. Make sure the handset is in range of the

base and the base is connected to power.

Note: It is also possible to reset the handset back to its original factory settings. All changes including Caller ID information

will be erased. For more information on resetting the handset back to factory settings and when you need to

do this, see www.uniden.com or call our Customer Service Hotline. See back cover page for contact information.

Resetting the Handset without the Base

If your original base is not available for some reason (for example, it is lost or somehow incapacitated), you can still

reset the handset and use it with another base.

Press and hold [ ] and [#] for more than 5 seconds.

Move the cursor to select BASE UNAVAILABLE and then press the OK soft key.

BASE UNAVAILABLE appears.

Move the cursor to select YES, and then press the OK soft key. ARE YOU SURE?

appears.

Move the cursor to select YES, and then press the OK soft key. You will hear a confirmation tone. The handset

will delete its own base information without trying to contact the base. When the base information is deleted,

the handset displays MODELS VARY! PLACE HANDSET ON THE BASE FOR REGISTRATION OR REFER
TO OWNER'S MANUAL. Register the handset to the new base (see page 25). of its user manaul.
OK.


Sep 12, 2011 | Uniden TRU9485 Cordless Phone

4 Answers

I have a uniden Tru9466 base station and a uniden TWX 977 that the later that was previously registered with the first displayed a out of range notice so I went thru the process in the owner's manual...


Welcome to FixYa.

  1. Turn OFF your handset (TWX977) and any other handset registered to the base (9466).
  2. Unplug the base from its power source.
  3. Unplug the phone line from the base.
  4. Wait for 15 mins.
  5. Plug back the power source and the phone line.
  6. Turn ON the handset (TWX977)
  7. Reset the handset (TW977) by doing the following:
  • Press the MENU soft key. Select the DEREGISTRATION submenu.
  • ARE YOU SURE? appears. Move the cursor to select YES. Press the OK soft key.
  • To clear other handset information, please follow these steps:
  • From the handset, press and hold [ ] and [#] for more than 5 seconds. Select the DEREGISTER HS submenu.
  • Move the cursor to select the handset ID to be de-registered from the list, and then press the OK soft key.
  • DEREGISTER HS appears. Move the cursor to select YES. Press the OK soft key.
  • ARE YOU SURE? appears. Move the cursor to select YES, and then press the OK soft key. You will hear a confirmation tone.

8. Register the handset by doing the following:
  • With the base in standby, press the MENU soft key.
  • Move the cursor to select REGISTER HANDSET. Press the OK soft key.
  • On the handset, press and hold [#] until you hear a beep.
  • While the handset is registering, HANDSET REGISTERING will appear in the LCD. When REGISTRATION
  • COMPLETE is displayed; the handset has been registered to the base. If REGISTRATION FAILED appears,
  • please try these steps again.

Thank you for using FixYa.
Have a great day.
Jas247

Aug 22, 2011 | Uniden TRU9466 Cordless Phone

1 Answer

My DECT6.0 telephone will not give me a dial tone nor answer any calls neither will the additional handset..Although my verizon direct line functions as it designed


Hello.

Here are some tips, found online:

Reset the phone:

Unplug the battery in the handset, unplug the phone line from the base and unplug the electricity from the base. Leave everything unplugged for an hour or two instead of a couple to five minutes that way you can get more of an idea of whether your phone will work. After an hour or two plug in everything. If resetting the phone doesn't work then try the next step.

Check the surge protector:

Is the phone line plugged into a surge protector? The surge protector may have stopped working or blown a surge, a sudden burst of electricity, which may have caused the dial tone in your cordless phone to go. Unplug the phone line from the surge protector then plug it back in and see if you get a dial tone. It could be that the phone line plugged into the surge was loose or not plugged in securely.

Try a different phone plug, outlet.

Check the base:

Is the base dusty and have possible dirt in the prongs where the phone sits? Lift the base and blow off dust.

Check the handset for dirt.


Rub metal connections on handset and base:

Use a pen cap or coin and rub the metal connections on the bottom of the handset. Rub the prongs, metal connections on base.

Hope these suggestions help.

Jul 25, 2011 | Uniden Cordless Phone

1 Answer

Phone flashing 88 8 now flashing e4 cannot get dial tone.


Your manual may have the E4 code, but Uniden certainly will, if you contact their support site. This symptom often indicates a power or function issue with the base unit, and so make sure the base has charging voltage, and the terminals are clean (use a qtip and alcohol). When you contact Uniden Support, have your model number ready, since different units can have the same or different error codes programmed into them.
Good luck, and hope this helps.

May 19, 2011 | Uniden Cordless Phone

1 Answer

E4 Error is showing on Uniden 5.8 GHz expandable phone. Power may have been disconnected. An ideas on a solution?


The handset displaying the message may have lost its memory of the base station. Take it over to the base station and reset it as when you first associated the handset with the base.

I hope this helps.

Cindy Wells

Jan 10, 2010 | Uniden TRU9480 Cordless Phone

2 Answers

Uniden power max 5.8 it says E4 wont work any help


After a power outage I receive an E4 error on my Uniden PowerMax 5.8GHz base unit. Is this broke beyond repair? Or, is there some sort of reset to get the phone working again?

Jun 19, 2009 | Uniden Lands Phones

1 Answer

E4 trouble condition comes up on screen after power up


Error #4, You probably need to reset the phone by unplugging the main unit from the power source then plugging it back in abd re registering the handsets by setting them in the main cradle for about 10 seconds each. if this doesn't work try the manual if you have it still and see what E4 error means. Good Luck. Sometimes with electronics all you need to do when they wont work is unplug then and plug them back in while holding the power button on. This is amazing trick that no one wants anyone to know about. it works great on VCR's and DVD players.

Feb 11, 2009 | Uniden Cordless Phone

2 Answers

E4 error code


Exact same problem. E4, sent uniden an email thru their website though I doubt Ill hear any response. Very disappointed as the 9485 was working great until all of a sudden E4 showed up.

Nov 29, 2007 | Uniden TRU9485 Cordless Phone

2 Answers

E4 error code


I called Uniden about the same problem.  They say it is a code that means it is defective base unit.  I had purchased it within one year and they will gladly send me a new one.  I don't know if they will offer anything beyond the one year mark. 

They say it was a spike in the power lines that causes this error. 

Oct 09, 2007 | Uniden TRU9488 Phone

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