Swegon GOLD SD - Page 50

GB.GOLDSK509.091101
We reserve the right to alter specifications without notice.
50
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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
18
19
OVER TEMPERATURE IN SA FREQUENCY CONV.
OVER TEMPERATURE IN EA FREQUENCY CONV.
High temperature inside the inverter.
A ***
A ***
1
1
1
1
3 s
3 s
M
M
20
21
NO COMMUNICATION TO SA-2 FREQUENCY CONV.
NO COMMUNICATION TO EA-2 FREQUENCY CONV.
The air handling unit’s control unit cannot establish
correct communication
with slave frequency inverter.
Applicable to only sizes 50-80.
A ***
A ***
1
1
1
1
10 s
10 s
A
A
22
23
OVER CURRENT IN SA-2 FREQUENCY CONV.
OVER CURRENT IN EA-2 FREQUENCY CONV.
Current above the normal level is supplied to slave
motor.
Applicable to sizes 50-80 only
A ***
A ***
1
1
1
1
3 s
3 s
M
M
24
25
UNDER VOLTAGE IN SA-2 FREQUENCY CONV.
UNDER VOLTAGE IN EA-2 FREQUENCY CONV.
Voltage below the normal level is supplied to slave
frequency inverter.
Applicable to sizes 50-80 only.
A ***
A ***
1
1
1
1
3 s
3 s
M
M
26
27
OVER VOLTAGE IN SA-2 FREQUENCY CONV.
OVER VOLTAGE IN EA-2 FREQUENCY CONV.
Voltage above the normal level is supplied to slave
frequency inverter.
Applicable to sizes 50-80 only.
A ***
A ***
1
1
1
1
3 s
3 s
M
M
28
29
OVER TEMPERATURE IN SA-2 FREQUENCY CONV.
OVER TEMPERATURE IN EA-2 FREQUENCY CONV.
High temperature inside the slave frequency inverter.
Applicable to sizes 50-80 only
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 (terminals 40-41) 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 (terminals 38-39) or is faulty; or has been
selected with communication.
Applicable if the External outdoor sensor function is
selected.
B *** 0 1 3 s A
32
PLATE HEAT EXCH SENSOR FAULTY
The temperature sensor in the exchanger cube for
the anti-frosting monitor is absent or is faulty.
A *** 0 1 3 s A
33
COIL HEAT EXCH SENSOR FAULTY
The temperature sensor on the coil heat exchanger’s
pipework package for the anti-frosting monitor is
absent or is faulty.
A *** 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
*** Blocked if the hand terminal does not display the main menu.