Error Codes
36 QuickScan™ QBT21X1
Error Codes
Upon startup, if the reader sounds a long tone, this means the 
reader has not passed its automatic Selftest and has entered 
FRU (Field Replaceable Unit) isolation mode. If the reader is 
reset, the sequence will be repeated. The following table 
describes the LED flashes/beep codes associated with an 
error found.
Base Station Indications
Number of LED 
Flashes/
Beeps
Error
Corrective 
Action
1 Configuration
Contact 
Helpdesk 
for assis-
tance
2 Interface PCB
6Digital PCB
12 Imager
Indication        LEDs
Power-up Complete Yellow LED on
Reader Disabled by the HOST or 
the communication with HOST is 
not established 
Yellow LED blinking ~1Hz
Data/labels are transmitted to 
the HOST
Yellow LEDs turned off for 
100mSec
Programming Mode Yellow LED blinks quickly 
Configuration alignment with the 
HH is in progress
Red LED blinks quickly
Battery charger in progress Red LED on
Battery charger complete Green LED on
Battery charger error
Green LED and Red LEDs 
blink alternatively ~1Hz
No HH is placed on the cradle Red and Green LEDs off