Led Indicators; Table 2 Led Indicators Summary - Liebert Liqui-tect MC68HC16Z1 User Manual

1.5

LED Indicators

The Liqui-tect panel's controller board has LED indicators that show the status of inputs, outputs and
other board components.
Power On/Off
LED
RS485 LEDs
Table 2 LED indicators summary
LED
Power On/Off LED
Pwr On
Zone 1 & 2 Alarm Outputs LEDs
K1 – Zone 1 Leak Detected
K2 – Zone 1 Cable Break
K3 – Zone 2 Leak Detected
K4 – Zone 2 Cable Break
Status LEDs
LEDO
Fault
Reset
RS232 LEDs
RS232 TX
RS232 RX
RS422 LEDs
RS422 TX
RS422 RX
RS485 LEDs
RS485 TX
RS485 RS
A
24V Pow
ON
TX RX
SiteScan Web RS422 LEDs
R77
RX TX RX TX
Color
Green Indicates whether power is connected
Green Indicates leak detected for Zone 1
Green Indicates cable problem for Zone 1
Green Indicates leak detected for Zone 2
Green Indicates cable problem for Zone 2
Green Indicates the panel is working properly – will flash slowly when working
Red Indicates an alarm is present
Red Indicates the panel is being reset
Green Liqui-tect panel is transmitting information via the RS232 port
Green Liqui-tect panel is receiving information via the RS232 port
Green Liqui-tect panel is transmitting information over the RS422 port
Green Liqui-tect panel is receiving information over the RS422 port
Green Not presently used
Green Not presently used
R1
DS1
O N O N
Pwr On
1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8
K1
K2
R16
DS3
K4 R17
DS4
R18
K5 DS5
U24
C26 C27
C28 TB3
R38
U15 U16
C33
C32
U23 C40
U22 U24
C46
U29
RS232 LEDs
RX TX
Description
6
Introduction
Alarm output LEDs
(Zones 1&2)
DS2
TB2
K1
R15
K2
R16
DS3
R17
K3
DS4
R18
K4
DS5
Status LEDs
R38