GB.GOLDLP.170830
50 www.swegon.com
We reserve the right to alter specifications without notice.
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
89
NO COMM. SA PREFILTER PRESS. SENSOR
The air handling unit’s control unit cannot establish
correct communication with supply air prefilter pres-
sure sensor.
B***
0
1
10 s
A
90
NO COMM. EA PREFILTER PRESS. SENSOR
The air handling unit’s control unit cannot establish
correct communication with extract air prefilter pres-
sure sensor.
B***
0
1
10 s
A
91
FROST PROTECTION, PREHEATING, BELOW ALARM LIMIT
The sensor for the frost protection monitor, prehea-
ting, has measured a temperature lower than the
preset temperature. Factory setting: 7 °C.
A
1
1
3 s
M
92
FROST PROTECTION PREHEATING SENSOR DEFECTIVE
The sensor for the frosting protection monitor, pre-
heating, is lacking, is not connected or is faulty, if an
air heater for hot water is connected.
A
1
1
3 s
A
93
PREHEATING SENSOR DEFECTIVE
The sensor for preheating is lacking, is not connected
or is faulty, if an air heater for hot water is connec-
ted.
A
1
1
3 s
A
94
EL. AIR HEATER, PREHEATING, TRIPPED
The thermal overload protection for the connected
electric air preheater, has tripped or is not connected.
A***
1
1
3 s
M
95
PREHEATING BELOW SETPOINT
The preheating temperature is below the preset set-
point (for ERS and Supply air control) or Min SA temp
(for Extract air control) longer than 0 minutes.
A***
1
1
20 m
M
96
LOST SETTINGS
An incorrect checksum for the backup file is obtained
on reboot. When an alarm is generated, set values in
the hand-held terminal return to the factory settings
or are inaccurate. Compare and restore values in
accordance with the commissioning protocol.
A
1
1
3 s
M
99
TIME LOCK TRIPPED
Contact Swegon or their representative.
–
–
–
–****
M
102
COOLING VALVE I/O-7 DEFECTIVE
Controls of the Cooling valve do not obtain the same
signal on AI 1 as on AU1 on I/O-module.
B***
1
0
10 m
M
103
HEATING VALVE I/O-7 DEFECTIVE
Controls of the Heating valve do not obtain the
same signal on AI 2 as on AU2 on I/O-module
A***
1
0
10 m
M
104
COOL. CIRCUIT PUMP I/O-7 TRIPPED.
Controls of the cooling circuit pump do not obtain
correct signal according to set function.
B***
1
0
30 s
M
105
HEAT. CIRCUIT PUMP I/O-7 TRIPPED
Controls of the heating circuit pump do not obtain
correct signal according to set function.
A***
1
1
30 s
M
106
COOLING WATER TEMP I/O-7 BELOW SET POINT
Temperature for cooling water control on I/O module
is continuously 7°C below its current set point.
B***
1
0
30 m
M
*** Blocked if the hand terminal does not display the main menu.
**** Adjustable: 0-99 months.
