GB.GOLDSK509.091101
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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
1
EXTERNAL FIRE ALARM TRIPPED
For the fire protection function connected to termi-
nals 54-55.
A**** 1* 1 3 s M
2
INTERNAL FIRE ALARM TRIPPED
The air handling unit’s supply air sensor measures a
temperature more than 70 °C and/or its extract air
sensor measures a temperature more than 50 °C.
The function must be activated manually in the
ALARM SETTINGS menu.
A **** 1* 1 3 s M
3
FROST PROTECTION BELOW ALARM LIMIT
The anti-frosting monitor sensor measures a tem-
perature lower than the preset temperature. Factory
setting: 7 °C.
A **** 1* 1 3 s M
4
R.HX.SPEED MONITOR TRIPPED
No impulses from the rotation detector are registered
with the heat exchanger controller. The air handling
unit will be switched out only if the outdoor tem-
perature drops below 5 °C.
A 0** 1 3 s M
5
FROST PROTECTION SENSOR DEFECTIVE
The anti-frosting monitor temperature sensor is lack-
ing, is not connected or is faulty; an air heater for hot
water is connected.
A **** 1* 1 3 s A
6
7
SUPPLY AIR TEMP SENSOR DEFECTIVE
EXTRACT AIR TEMP SENSOR DEFECTIVE
The supply air/extract air temperature sensor is not
connected or is faulty.
(Not applicable if only GOLD SD supply air or extract
air handling units are installed, see Alarm No. 82)
A
A
1
1
1
1
3 s
3 s
A
A
8
OUTDOOR AIR TEMP SENSOR DEFECTIVE
The outdoor air temperature sensor is not connected
or is faulty. (Not applicable to GOLD SD units, see
Alarm No. 81)
B 0 1 3 s A
9
NO COMMUNICATION TO R.HX. CONTROLLER
The air handling unit’s control unit cannot establish
correct communication with the heat exchanger
controller.
A*** 1 1 10 s A
10
11
NO COMMUNICATION TO SA FREQUENCY CONV.
NO COMMUNICATION TO EA FREQUENCY CONV.
The air handling unit’s control unit cannot establish
correct communication with frequency inverter.
A ***
A ***
1
1
1
1
10 s
10 s
A
A
12
13
OVER CURRENT IN SA FREQUENCY CONV.
OVER CURRENT IN EA FREQUENCY CONV.
Current above the normal level is supplied to the
motors.
A ***
A ***
1
1
1
1
3 s
3 s
M
M
14
15
UNDER VOLTAGE IN SA FREQUENCY CONV.
UNDER VOLTAGE IN EA FREQUENCY CONV.
Voltage below the normal level is supplied.
A ***
A ***
1
1
1
1
3 s
3 s
M
M
16
17
OVER VOLTAGE IN SA FREQUENCY CONV.
OVER VOLTAGE IN EA FREQUENCY CONV.
Voltage above the normal level is supplied.
A ***
A ***
1
1
1
1
3 s
3 s
M
M
17.2 Alarm Descriptions with Factory Settings
* Not adjustable, always stops the air handling unit.
** Not adjustable, stops the air handling unit if the temperature to below +5 ºC.
*** Blocked if the hand terminal does not display the main menu.
**** Cannot be blocked.