LED States
LED States

LED States

PD20 LEDs
The following table indicates the various PD20 LED states.
LED States
LED
Description
Device Operations
No indication
Device is turned off.
LEDs 1, 2, 3, and 4 are flashing in ascending order.
SCR battery is between 0% and 25% charged.
LED 1 is on, and LEDs 2, 3, and 4 are flashing in ascending order.
SCR battery is between 50% and 75% charged.
LEDs 1, 2, and 3 are on, and LED 4 is flashing.
SCR battery is between 75% and 100% charged.
LED 4 is on, and LEDs 1, 2, and 3 are off.
SCR battery is fully charged.
Tampering
LED 1 is on and LED 4 is flashing.
This indicates that someone has tampered with the device. Tampered units can no longer be used and should be discarded or recycled. For recycling and disposal advice, please refer to zebra.com/weee.