GB.COMPACTAHSK.210520
Registered design. The company reserves the right to make design changes without prior notice.
www.swegon.com 45
Alarm no.
Alarm text
Function
Priority
Stop
Indication
LED
Delay
Resetting
0=blocked 0=In operat.
0=Off
s=seconds
M=manual
A=A alarm
1=Stop
1=On
m=minutes
A=automatic
B=B alarm
24
25
EA FREQUENCY CONV. BLOCKED
EA FREQUENCY CONV. BLOCKED.
Motor does not rotate during start up.
A***
A***
1
1
1
1
3 s
3 s
M
M
26
27
EA FREQUENCY CONV. START-UP FAILURE
START-UP FAILURE EA FREQUENCY CONV.
Wrong rotation during start up.
A***
A***
1
1
1
1
3 s
3 s
M
M
30
EXT.EA/ROOM TEMP SENSOR DEFECTIVE
Temperature sensor in extract air duct or room
is not connected (”Internal bus 1” contact) or is
faulty; or has been selected with communication.
Applicable if the External sensor, extract air/room
or Intermittent night-time heating function is
selected.
A ***
1
1
3 s
A
31
EXT.OUTDOOR TEMP SENSOR DEFECTIVE
Temperature sensor for outdoor temperature is
not connected (”Internal bus 1” contact) or is
faulty; or has been selected with communication.
Applicable if the External outdoor sensor function
is selected.
B ***
0
1
3 s
A
34
OVER CURRENT IN R.HX. CONTROLLER
Current above the normal level is supplied to the
rotary heat exchanger’s drive motor.
A ***
1
1
3 s
M
35
UNDER VOLTAGE IN R.HX. CONTROLLER
Feed voltage (25V) is supplied to the rotary heat
exchanger’s drive motor.
A ***
1
1
3 s
M
36
OVER VOLTAGE IN R.HX. CONTROLLER
Voltage above the normal level (55 V) is supplied
to the rotary heat exchanger’s drive motor.
A ***
1
1
3 s
M
37
OVER TEMPERATURE IN R.HX. CONTROLLER
High internal temperature (90°C for the rotary
heat exchanger’s controller).
A ***
1
1
3 s
M
38
R.HX. PRESSURE DROP ABOVE ALARM LIMIT
The heat exchanger’s defrosting function has
operated for the full max period 6 times during
one 24-hour period.
B ***
0
1
3 s
M
39
EL.HEATING COIL TRIPPED
The thermal overload protection has tripped or is
not connected.
A ***
1
1
3 s
M
40
EXTRACT AIR TEMP BELOW ALARM LIMIT
The extract air temperature is below preset alarm
limit for more than 20 minutes.
A ***
1
1
20 m
M
41
SUPPLY AIR TEMP BELOW SETPOINT
The supply air temperature is below the preset
setpoint (for ERS and Supply air regulation) or Min
SA temp (for Extract air regulation) longer than 20
minutes.
A ***
1
1
20 m
M
42
EXT. ALARM No.1 TRIPPED
External alarm, connected to control unit input
Inp. 1 or Inp. 2, has tripped.
A ***
1
1
Set time
M
43
EXT. ALARM No.2 TRIPPED
External alarm, connected to control unit input
Inp. 1 or Inp. 2, has tripped.
B ***
0
1
Set time
M
48
49
SUPPLY AIRFLOW BELOW SETPOINT
EXTRACT AIRFLOW BELOW SETPOINT
The supply/extract airflow has been more than
10% below its setpoint for more than 20 minutes.
B ***
B ***
0
0
1
1
20 m
20 m
M
M
*** Blocked if the hand terminal does not display the main menu.
