PRODUCT TECHNICAL MANUAL
FONOMAC 3
V2.20 – 06/2012
35
MTELFONOMAC3220_EN
11. BATTERIES
11.1. BATTERY MAINTENANCE
The equipment includes a Ni-Mh set of batteries. These rechargeable batteries are similar to the nickel-cadmium
(Ni-Cd) ones but do not contain the environmentally harmful cadmium and have a greater capacity and are hence
less affected by the "memory" effect. Therefore, they are more environmentally-friendly and can store 30% more
energy than their Ni-Cd equivalent.The batteries supplied comply with the IEC60598.2.22-2002 standard (clause
22.6.8).
Operating Temperature Range:
Maximum continuous temperature: +40ºC.
Maximum temporary temperature: +65ºC.
Their life expectancy under normal use conditions is 4 years; therefore, after this period, we recommend you
replace them in order to prevent the incorrect operation of the telephone due to battery damage. Under
unfavourable operating conditions (high temperature, high number of power cuts,...), the batteries may be
damaged in a shorter period of time. In this case, the damage will be noticed through continuous low battery
warnings for no apparent reason. Should this be the case, please follow the same procedure as battery
replacement.
Pay special attention when handling the batteries during replacement as, if a short circuit occurs, it may cause
severe damage both in the batteries and in the rest of the equipment.
When replacing a battery set, please always observe the following guidelines for the damaged batteries:
Do not dispose of them in the normal dustbin. Deposit them in a specific container for this type of waste or
take them to a clean spot to ensure they are recycled.
Do not throw them away or pound them as this may cause exposure to the cell content which is corrosive.
Do not expose batteries to humidity or rain.
Please keep the batteries away from fire or other extreme heat sources as this may cause an explosion.
Should the Fonomac 3 equipment not be used for a long time, we recommend you store it in a cool and dry place
to avoid shortening battery life.
When connecting the equipment to a power supply for the first time or after a long storing period (a month or
longer), the Fonomac 3 will require a 48-hour connecting period for the batteries to be fully charged thus ensuring
the correct working order of the equipment in case of an emergency situation (without power).
Always bear in mind that batteries are not electronic components but consumables with a restricted
life. Their lifespan will depend on the equipment’s operating conditions and the care taken in their
maintenance.
11.2. ANALYSIS OF THE BATTERY STATUS
The equipment will make a battery analysis in the following cases:
During the equipment initialisation:
o If the battery is disconnected (jumper J3 out) during the initialisation procedure, Fonomac 3 will
emit an error tone of 5 seconds. After that, the green LED will flash quickly (informing about an
error situation).
The equipment will leave this error situation as soon as the jumper J3 is connected.
o If the battery is properly connected (jumper J3 set), after the initialisation procedure, the equipment
will come back to its rest normal situation.
In absence external voltage:
o When the equipment loses the external voltage, it starts functioning with batteries. From this
moment on, the equipment analyses continuously the status of the batteries, to guarantee a
message will be sent to service centre as soon as the battery autonomy falls under 1 hour
duration (according to the standard EN81-28).
o 30 seconds after the external voltage has been lost, if the equipment detects that the battery
came into low level, it will inform that the battery is faulty. Then, the quick flashing of the green
LED will indicate that an error situation occurs.
11.3. ACTIONS TO BE CARRIED OUT BY THE MAINTENANCE STAFF
The maintenance staff has to check the status of the batteries, according to the following instructions:
Check that the jumper J3 is set.
Disconnect the voltage (XCAN or XFN2).
Wait for 30 seconds. After this time, confirm that the green LED remains OFF (right situation). If the green
LED is quickly flashing, there is a battery error. The pack has to be replaced by a new one.
Connect again the external voltage.
Check that the equipment remains in rest status (both LEDs OFF). If the green LED is quickly flashing, the
status of the batteries is faulty and they are to be replaced by a new pack. If in spite of this the error
remains, check with MP.
If you want to disable the different analysis of the batteries made by the equipment, set the parameter ID_32 to
the value “0”: Deactivated.
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