ID Innovations Classic Line Series Magnetic Stripe Readers - Manual (Page 33)

Appendices
33
LOW,MED,HIGH BEEP PROM ERROR
FAST BLINKING ORANGE LED RAM ERROR
LOW FOLLOWED BY 2 HIGHER BEEPS EEPROM ERROR
Value Line
FLASHING RED LED, 3 BEEPS CPU ERROR
FLASHING RED LED, 4 BEEPS MEMORY ERROR
FLASHING RED LED CONTINUOUSLY DECODE CIRCUIT ERROR