CTC Union CTC 380 IC - Checking the LED

CTC 380 IC
21
LED off: No power supply
LED on: Ready to operate
LED fl ashes: Local faults
Low voltage
6.2.2 Checking the LED
Use Steckplatz Type of connector
BSB
LPB
X60
X50
X30
Service tool OCI700
Local process bus
Radio module AVS71.390
Extension module AVS75.390
Operator unit / boiler control
-
-
-
-
-
-
-
-
AVS82.490/109
AVS82.491/109
DB
MB
LPB data
LPB ground
a AGP4S.02H/109
CL+
CL-
Room unit 2 data
Room unit 2 ground
b AGP4S.02A/109
CL+
CL-
Room unit 1 data
Room unit 1 ground
b AGP4S.02A/109
AGP4S.03D/109
G+ Room unit power supply 12V
B2
M
Boiler sensor
Ground
f AGP4S.02B/109
B3
M
DHW sensor top
Ground
h AGP4S.02C/109
B9
M
Outdoor sensor
Ground
k AGP4S.02D/109
H1
M
Digital-/0..10V input
Ground
n AGP4S.02F/109
B1
M
Flow sensor
Ground
p AGP4S.02G/109
BX1
M
Multifunctional sensor input 1
Ground
n AGP4S.02F/109
BX2
M
Multifunctional sensor input 2
Ground
n AGP4S.02F/109
2359Z33
LED