GB.GOLDLP.170830
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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
55
56
NO COMM. SA AIR FLOW PRESSURE SENSOR
NO COMM. EA AIR FLOW PRESSURE SENSOR
The air handling unit’s control unit cannot establish
correct communication with the supply/extract air
flow pressure transducer.
A ***
A ***
1
1
1
1
10 s
10 s
A
A
57
58
NO COMM. SA FILTER PRESSURE SENSOR
NO COMM. EA FILTER PRESSURE SENSOR
The air handling unit’s control unit cannot establish
correct communication with the supply/extract air
filter pressure transducer.
B ***
B ***
1
1
1
1
10 s
10 s
A
A
59
60
NO COMM. SA DUCT PRESSURE SENSOR
NO COMM. EA DUCT PRESSURE SENSOR
The air handling unit’s control unit cannot establish
correct communication with the pressure transducer
connected in the supply/extract air ducting.
Applicable to SA /EA pressure regulation only.
A ***
A ***
1
1
1
1
10 s
10 s
A
A
61
NO COMM. R.HX. PRESSURE SENSOR
The air handling unit’s control unit cannot establish
correct communication with the pressure transducer
connected for the heat exchanger.
Applicable to the defrosting function only.
B ***
0
1
10 s
A
62-71
NO COMMUNICATION TO I/O-MODUL NR 1–9
The air handling unit’s control unit cannot establish
correct communication with the connected I/O
module 1–9
B ***
0
1
3 s
A
72
Correct communication can be established between
the CPU circuit card and the control unit*s I/O
processor.
A
1
1
30 s
A
75
SUPPLY AIR HUMIDITY SENSOR FAULTY
The communication with the humidity sensor in
the supply air duct is faulty or the sensor reading is
erroneous.
A ***
1
1
10 s
A
76
EXTRACT AIR HUMIDITY SENSOR FAULTY
The communication with the humidity sensor in the
extract air duct is faulty or the sensor reading is er-
roneous.
A ***
1
1
10 s
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
600 s
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
600 s
M
85
COOLING OUTPUT 1 TRIPPED
Broken signal is obtained at D11 for I/0-module 6.
Motor protection or pressure switch may have trip-
ped.
A
0
1
3 s
M
86
COOLING OUTPUT 2 TRIPPED
Broken signal is obtained at DI2 for I/0-module 6.
The motor protection or pressure switch may have
tripped.
A
0
1
3 s
M
*** Blocked if the hand terminal does not display the main menu.