Oxgard Praktika K-01, Operational Manual

Page: 16 / 19

2. IR LED3 (Vtyp = 1,2 B):
- If V = 5 V - LED or cable defective;
Card collector provides 5
audio signals, red cross on the
LED panel is blinking
(then red cross on the LED
display continues blinking,
cards are not collected, free
passage mode is off).
Card or foreign
object is left in card
hole of card
collector
Act in accordance with Section 7.2, "Emergency mode";
Defective upper
optocoupler
(Fig. 3)
Check the voltage at the connectors (without removing the
connectors, while holding down the button BUT1 )
1. IR LED1 (Vtyp = 1,2 B):
- If V = 5 V - LED or cable defective
2. Card1_ph (Vtyp = 0,1 B; Vmax = 2,5 V):
- If V ≤ 2,5 In - all right;
- If V> 2,5 V - disaligment or LED and phototransistor
fault;
- If V = 5 V - the phototransistor or cable are defective;
Card collector collects a guest
card and provides an audio
signal for 1 second
Defective lower
optocoupler
(Fig. 3)
Check the voltage at the connectors (without removing the
connectors, while holding down the button BUT1 )
1. IR LED2 (Vtyp = 1,2 B):
- If V = 5 V - LED or cable defective
1. Card2_ph (Vtyp = 0,1 B; Vmax = 2,5 V):
- If V ≤ 2,5 In - all right;
- If V> 2,5 V - disaligment or LED and phototransistor
fault;