Question about Motorola Mobility MA580 (612572111116) Cordless Phone

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Motorola MA580 Handset Not Connecting / Base Has Humming Noise

My handset does not connect to the base station. It flashes momentarily, but does not find the base. The base station has a humming noise when the phone line is disconnected and the talk button is depressed. Hum is also present when the phone line is reconnected. The problem was resolved by replacing the 9VDC power supply. The hum disappeared and the handset immediately connected to the base.

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1 Answer

Hand set says connecting even before it is reset with new base.


This sounds like a registration problem, each 'old'
handset must be de-registered from its original
base and then registered to the 'new' base.

NOTE: the CS6229 handles a maximum of 5
handsets. If you have a handset displaying
"Handset #5" then you have a 'fully populated system'
even if you actually have only one or two handsets.

You will need to clear each handset ( I ) then clear
the base of all registrations ( II ) before re-registering
each handset ( III ) up to the maximum of five.
=====================================
( I ). First, to de-register a handset ---

0. Start by taking off the battery compartment cover.

1. press [menu]
2. scroll up/down to "Settings"
3. enter * 7 8 9 0 #
4. scroll down to "next page", press [select]
5. scroll down to "Register Clear?", press [select]
6. display asks "Confirm?" or "Register Clear??",
press [select]
7. display reads "Ok" and chirps, press [ off ]

8. UNPLUG THE HANDSET BATTERY
(this is why the cover was off)

9. Wait ~30 seconds, re-connect the battery &
replace the cover

10. display reads "Not Registered"
===============================

( II.) To clear the base of all handset registrations
( if needed, else skip ahead to ( III ). )

1. press [Find Handset] on the base and hold
past ~4 sec when the "In Use" lamp lights, at
about 10 secs the "In Use" lamp will begin to
blink. 2. release the [Find Handset] button momentarily,
then briefly press it again. After a moment,
all handsets that were registered to the base
(if any) will display "Not Registered" and be
ready for fresh registration ===============================

( III.) To register each handset to the base:

1. press [Find Handset] on the base and hold for
~4 sec until the "In Use" lamp lights.
2. press # on the handset and set the handset into
the handset cradle on the base
3. within 30 seconds or so, the handset will either
chirp and display "Handset Registered", then
"Handset #x" or it will say "Registration Failed".

NOTE: the battery must be well charged prior to the
registration process, a weak battery may cause a
"Registration Failed". Charge the battery for a
few hours and try the registration ( III ) again.

===============================
Good luck !!

Jul 23, 2015 | Vtech Phones

1 Answer

Vtech cordless handset CS6209 will not connect with CS6229-2 base


Yes. The'old' handset must be de-registered from its
original base and then registered to your base.

NOTE: the CS6229 handles a maximum of 5
handsets. If you have a handset displaying
"Handset #5" then you have a 'fully populated system'
even if you actually have only one or two handsets.

You will need to clear each handset ( I ) then clear
the base of all registrations ( II ) before re-registering
each handset ( III ) up to the maximum of five.
=====================================
( I ). First, to de-register a handset ---

0. Start by taking off the battery compartment cover.

1. press [menu]
2. scroll up/down to "Settings"
3. enter * 7 8 9 0 #
4. scroll down to "next page", press [select]
5. scroll down to "Register Clear?", press [select]
6. display asks "Confirm?" or "Register Clear??",
press [select]
7. display reads "Ok" and chirps, press [ off ]

8. UNPLUG THE HANDSET BATTERY
(this is why the cover was off)

9. Wait ~30 seconds, re-connect the battery &
replace the cover

10. display reads "Not Registered"
===============================

( II.) To clear the base of all handset registrations
( if needed, else skip ahead to ( III ). )

1. press [Find Handset] on the base and hold
past ~4 sec when the "In Use" lamp lights, at
about 10 secs the "In Use" lamp will begin to
blink. 2. release the [Find Handset] button momentarily,
then briefly press it again. After a moment,
all handsets that were registered to the base
(if any) will display "Not Registered" and be
ready for fresh registration ===============================

( III.) To register each handset to the base:

1. press [Find Handset] on the base and hold for
~4 sec until the "In Use" lamp lights.
2. press # on the handset and set the handset into
the handset cradle on the base
3. within 30 seconds or so, the handset will either
chirp and display "Handset Registered", then
"Handset #x" or it will say "Registration Failed".

NOTE: the battery must be well charged prior to the
registration process, a weak battery may cause a
"Registration Failed". Charge the battery for a
few hours and try the registration ( III ) again.

===============================
Good luck !! --

Jun 08, 2013 | Vtech Phones

1 Answer

My uniden DSS7855 with 1 base station and 3 handsets wont connect when i dial a number and hit the talk button it tries to connect and then comes up "'out of range" much appreciated for any help...


Clear the Handset's Base Data
  1. To remove the base data from a handset when out of range of the base, press and hold the 'end' button and the '#' button simultaneously until the phone beeps.
  2. It will now be de-registered from the base.
Note: This requires that the base and handset can communicate with each other.


Clear the Base Handset Data
  1. To de-register all handsets from the base, remove power to the base, and remove the handset from the base.
  2. Press and hold the 'flash/find hs' button while applying power.
  3. Wait for the beep and release the button.
  4. The charge light will now flash.
  5. Sit any handset in the cradle.
  6. When the flashing stops, re-register the handsets to the base.
Re-Register a Handset to the Base
1. Remove Handset Battery.
2. Reconnect battery while holding down "*" and "#" key.
3. Then press the right upper key under the LCD.
4. Press the "End" key.
5. Wait a few seconds and then the phone will be ready to register to the base.

Nov 12, 2010 | Uniden Phones

1 Answer

How do you unregister a defective handset so that it can replaced


1. Delete or listen to all voice mail messages, if necessary, to clear the IN USE/Voice Mail light indicator.
Note: Skip this step if it does not apply to your MD Series cordless telephone model.
2. Press OFF on the base station and each handset.
3. Press and hold down PAGE on the base station until the IN USE light flashes slowly, then release.
4. Press and hold down PAGE again until the IN USE light begins to flash quickly, then release PAGE.
5. Quickly and fully press and release PAGE again.
6. Please register handset displays. Press OK to begin the registration process, or press EXIT.

Dec 10, 2008 | Motorola Mobility MD41 Expandable Handset...

1 Answer

Uniden Cordless Phone Model DSS7855. frequently fails to connect to an incoming call, with 'out of range' indication. The phone is less than 1 meter from the base station.


The handset/base keeps a record of who it’s registered to. The base also keeps a record of how many handsets are registered to it.

Using the de-register function on the handset deletes the handset from the base (decrements the count) and deletes the base info from the handset. All this requires that the base and handset can communicate with each other.

To remove the base data from a handset when out of range of the base, press and hold the ‘end’ button and the ‘#’ button simultaneously until the phone beeps. It will now be de-registered from the base.

However, the base will still have this handset in it’s record.

To de-register all handsets from the base, remove power and the base handset. Press and hold the ‘flash/find hs’ button while applying power. Wait for the beep and release the button. The charge light will now flash. Sit any handset in the cradle. When the flashing stops, all handsets are inhibited from connecting.

However, the handset still appears to be connected to the base unit. Pressing talk will give an ‘Unable to connect’ message. To re-register the handsets to the base, you have to de-register the handset first with the two button method.

Of interest, pressing ‘*’ and ‘#’ on the handset while reconnecting the battery is suppose to reset the handset. Doing the same on the base unit puts you in some sort of diagnostic mode. Press speaker to exit.

Aug 21, 2008 | Phones

1 Answer

Audioline cordless phone


answering machine not working on the base station

Jan 13, 2008 | Philips CD6452B/37 Twin Cordless Phone

2 Answers

Connection between two phones


There might be two problem....1st of programming and 2nd one of internal hardware problem of your handset which is not working.

For the 1st option- Read manual carefully, there is security setting. Follow the steps with second one handset which is not responding.( I can assum that it is power on but not responding to signals..May i right?) After completing security process it will give long beep and will bond with other one and that is necessary for frequiency adjustment. This generally occures after removal of batteries.

For the 2nd option- There is crystal inside your handset which is resposible for generat stable and similar frequency as other handset. When that crystal lost its capacity it results in mismatching of frequency and occures in non connection results in no response from handset. This can be repaired by technician after getting part no of that crytal from your device and replace it with another one. But for this you have to visit technician with all of handsets and attachment as it is necessary to check it working properly after repair, even technician may also need it for setting frequency level.
Is it clears all doubt about this problem then say FIXYA......

Jan 09, 2008 | Siemens Gigaset 8800 Cordless Expansion...

2 Answers

Motorola 580 handset not working


My handset does not connect to the base station. It flashes momentarily, but does not find the base. The base station has a humming noise when the phone line is disconnected and the talk button is depressed. Hum is also present when the phone line is reconnected. The problem was resolved by replacing the 9VDC power supply. The hum disappeared and the handset immediately connected to the base.

Oct 31, 2007 | Motorola Mobility MA580 (612572111116)...

2 Answers

My Motorola MA580 sometimes work and others donĀ“t


It sounds as if the channel that the phone and base has selected during that session is bad, or being used by another system in the area. When that happens, try selecting another channel. You should be able to do this by depressing a button on the handset. Normally labeled "Channel". Please post further questions or comments. Please rate this solution through fix-it. Thank you

Jun 28, 2007 | Motorola Mobility MA580 (612572111116)...

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