APV_CU4plus_AS-interface_UK-3_062019.indd
UK
Control Unit
CU4plus AS-interface
Instruction Manual UK-3
APV
30
6.5.1. LED indication / Indicator lights
LED 1
solenoid valve 2 /
upper seat lift
blue, 1 blink
solenoid valve 2 controlled
upper seat
* lifted
solenoid valve 3 /
lower seat lift
blue, 2 blinks
solenoid valve 3 controlled
lower seat
* lifted
LED 2
sol. valve 1 /main valve blue, 2 blinks
main valve controlled
LED 3/4 power and diagnosis
green, permanent light
operating voltage ok, no failure
- AS-i status indication
red, green blink
peripheral failure (short circuit,
excess voltage, cable break)
- teach-in requested, flash data
failure, valve failure, wrong
number of valves, overload of
sensor voltage supply
red, permanent light
AS-i communication failure
- no data interchange with
master
- master in stop mode
- slave cannot read master
commands
- master in protect mode and
slave not in protect mode
green, blink
AUX voltag missing
(connect either PELV or
bridge Z/PELV)
green, permanent light
red, blink = red-yellow blink
slave address = 0
red, blink
duplicate addresses recognized
LED 5
valve open
green, permanent light
valve open
LED 6
valve closed
orange, permanent light
valve closed
LED 7
pressure signal (option)
LED 8
service request
yellow, permanent light
imminent service request
LED 9
teach-in
red, permanent light
blink
teach-in is running
teach-in required
LED Y1
solenoid valve 1
permanent light
controlled
LED Y2
solenoid valve 1
permanent light
controlled
LED Y3
solenoid valve 1
permanent light
controlled
* Depending on the adjusted mode!
6. Electronic Module
