- Saeco Hot Beverage Vending Machine Operation and Maintenance Manual

60
English
13 - VISUAL SIGNALS
(LED)
On the CPU card
LED State Function
DL1 Flashing Data transmission from the CPU to serial payment systems (EXEC,
BDV,MDB)
DL2 Flashing Data reception from serial payment systems (EXEC, BDV,MDB)
DL3 Flashing Program on the CPU is running  fast flashing while starting up the
VM or by any error/failure
DL4  
DL5 Permanently on Presence of the power +5V