Swegon GOLD CX Series, Operation And Maintenance Instructions, Page: 53 / 80

GB.GOLDSK509.091101
We reserve the right to alter specifications without notice.
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a
larm 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
77 SPARE
78 HUMIDITY SENSOR, HEAT EXCH FAULTY
Communication with the humidity sensor in the
extract air upstream of the heat exchanger is faulty or
the sensor reading is erroneous. B *** 0 1 10 s A
79 COIL HEAT EXCH, VALVE FAULTY
The valve actuator does not move to the right posi-
tion. The position-confirming output signal from the
actuator is not equivalent to the input control signal. A *** 1 1 10 m M
80 TEMPERATURE MONITOR - BELOW ALARM LIMIT
The temperature reading from the sensor in the inlet
of the supply air fan is below the preset alarm limit. A *** 1 1 30 s A
81 SUPPLY AIR-D TEMP SENSOR FAULTY (RX/PX/CX)
The temperature sensor in the supply air fan inlet has
no comm. or its reading is erroneous.
OUTD. AIR TEMP SENSOR DEFECTIVE (SD)
The sensor for outdoor temperature is not connected
or is faulty.
B ***
B
0
0
1
1
10 s
3 s
A
A
82
EXTRACT AIR-D TEMP SENSOR FAULTY
air handling unit with coil or plate heat exch.
The temperature sensor in the extract air fan inlet has
no comm. or its reading is erroneous.
air handling unit with rotary heat exch.
Exhaust air regulation has been selected, but the
temperature sensor in the exhaust air is not con-
nected or is faulty.
SA SENSOR DEFECTIVE (SD, supply AHU only)
EA SENSOR DEFECTIVE (SD, extract AHU only)
The sensor for supply air/extract air temperature is
not connected or is faulty.
B ***
A
A
0
1
1
1
!
1
10 s
3 s
3 s
A
A
A
83 SA PREFILTER FOULED
The pressure across the supply air prefilter has con-
stantly exceeded the preset alarm limit for 0 minutes. B *** 0 1 10 m M
84 EA PREFILTER FOULED
The pressure across the extract air prefilter has con-
stantly exceeded the preset alarm limit for 0 minutes. B *** 0 1 10 m M
85 COOLDX, C1 TRIPPED
No contactor replay received at DI1 I/0-module 6 in
cooling unit. The motor protection or the pressure
switch may have tripped. A 0 1 20 s M
86 COOLDX, C2 TRIPPED
No response is received from the contactor at DI2
I/0-modul 6 in cooling unit. The motor prot. or the
pressure switch may have tripped. A 0 1 20 s M
87 COOLDX C1 TOO MANY RESTARTS
Compressor 1 has started more than 20 times in 2
hours, due to a tripped in-service pressure switch. A 1 1 3 s M
88 COOLDX C2 TOO MANY RESTARTS
Compressor 2 has started more than 20 times in 2
hours, due to a tripped in-service pressure switch. A 1 1 3 s M
*** Blocked if the hand terminal does not display the main menu.