Trouble shooting
An alarm is initiated when an error arises in the control system. There are
two types of alarms:
•
General alarms.
•
Application alarms.
Trouble shooting of the control system should always begin with
investigating whether any alarm has been initiated and if so which.
Certain alarms are automatically reset (Auto) after the cause of the error has
been remedied, while other alarms have to be manually (Man) reset.
If the control system is connected to a ModBus system, the alarms can be
read within the 10100 – 10139 range.
Alarm
No.
Alarm text
Description / Cause
Remedial
measure
Resetting
0.
No active alarms
No active alarms present.
No measure required.
-
1.
No room unit 1
The controller has not received
any signal from the room
unit 1 within the given time
(P_110).
Make a new
connection – Radio
Frequency mode.
Check the cable.
Auto
2.
No room unit 2
The controller has not received
any signal from the room
unit 2 within the given time
(P_110).
Check the cable.
Auto
3.
No pressure
sensor
Pressure sensor is missing or is
defectiveive. Alarm is initiated
after given time (P_113).
Install or replace the
sensor.
Auto
4.
No supply flow
sensor
Flow sensor is missing or is
defectiveive. Alarm is initiated
after given time (P_113).
Install or replace the
sensor.
Auto
5.
No exhaust flow
sensor
Flow sensor is missing or is
defectiveive. Alarm is initiated
after given time (P_113).
Install or replace the
sensor.
Auto
6.
Room unit 1
temperature
No temperature from room
unit 1.
Change room unit!
Auto
7.
Room unit 2
temperature
No temperature from room
unit 2.
Change room unit!
Auto
8.
Controller KTY
short circuit
KTY sensor defectiveive.
Replace the KTY
sensor.
Auto
9.
Controller KTY
open circuit
KTY sensor missing.
Check connection of
the KTY sensor.
Auto
10.
Room unit low
battery
The level on the battery in the
room unit is low.
Replace the batteries
in the room unit!
Auto
11.
PT-controller
overload
The output signal has been
+100% or -100% during
given time (P_111).
Check water the
temperature and the
water flow.
Auto
12.
Set point not
reached
Set temperature, set flow or
pressure has not been reached
within given time (P_112).
Check the water
temperature, the
water flow and the
airflow.
Auto
13.
TBD
-
-
-
14.
TBD
-
-
-
15.
No device list
-
-
-
16.
AC overload
The supply voltage is too high. Check the voltage
source.
Auto
17.
System fault
Component error.
Replace the
controller!
-
18.
No serial number
Program error.
Replace the
controller!
-
65
20210201 Swegon reserves the right to make design changes.
CONDUCTOR
W4
Summary of Contents for 20210201
Page 1: ...CONDUCTOR W4 Technical Manual sw 1 48 20210201...
Page 2: ......
Page 4: ...CONDUCTOR W4 4 Swegon reserves the right to make design changes 20210201...
Page 6: ...CONDUCTOR W4 6 Swegon reserves the right to make design changes 20210201...
Page 24: ...CONDUCTOR W4 24 Swegon reserves the right to make design changes 20210201...
Page 36: ...CONDUCTOR W4 36 Swegon reserves the right to make design changes 20210201...
Page 54: ...CONDUCTOR W4 54 Swegon reserves the right to make design changes 20210201...
