This is a condition that the Palm Tungsten E2 and Z22 PDA units can have.
Symptoms
A device that is suffering from this condition will be completely dead, if the SDS repair has not been done to the unit then the only way to remove it from this condition is to let the battery run down completely so it can reset properly and try to start up again where it might again go into the SDS condition.
Cause
The condition is caused by the failure of the PDAs internal oscillator (clock) to not start. The oscillator is the heartbeat of the unit, without a heartbeat it is dead. In most cases the battery must be very low to enter into this condition so if your unit is prone to SDS then it is best to try and keep your battery at around 50%. It is best to have a small circuit installed in the PDA that allows the oscillator to be reset when the reset button is press, our repair team and perform this repair. Once the repair has been completed the unit may still enter the SDS condition but can easily be fixed by doing a simple reset from the back of the unit.
Repair
We install a circuit that will allow the oscillator to be restarted if the reset button is pressed. The only drawback to this repair is the date and time will need to be reset after each pressing of the reset button.
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