Alarm list
Appendix D Alarm list
The alarm text, priority and delay columns show the factory set values.
19
20
17
18
15
16
13
14
21
22
23
D.1
No
1
4
5
2
3
6
7
8
9
10
11
Alarm text
Malfunction supply air fan 1
Malfunction supply air fan 2
Malfunction supply air fan 3
Malfunction supply air fan 4
Malfunction supply air fan 5
Malfunction extract air fan 1
Malfunction extract air fan 2
Malfunction extract air fan 3
Malfunction extract air fan 4
Malfunction extract air fan 5
Alarm supply air fan 1
12 Alarm supply air fan 2
B
B
B
B
B
A
B
B
B
B
Prio
B
A
Alarm supply air fan 3
Alarm supply air fan 4
Alarm supply air fan 5
Alarm extract air fan 1
Alarm extract air fan 2
Alarm extract air fan 3
Alarm extract air fan 4
Alarm extract air fan 5
Warning supply air fan 1
Warning supply air fan 2
Warning supply air fan 3
A
A
A
A
A
A
A
A
C
C
C
Delay
120 s
120 s
120 s
120 s
120 s
120 s
120 s
120 s
120 s
120 s
0 s
0 s
0 s
0 s
0 s
0 s
0 s
0 s
0 s
0 s
0 s
0 s
0 s
Limit Default action Description
Malfunction supply air fan 1
Malfunction supply air fan 2
Malfunction supply air fan 3
Malfunction supply air fan 4
Malfunction supply air fan 5
Malfunction extract air fan 1
Malfunction extract air fan 2
Malfunction extract air fan 3
Malfunction extract air fan 4
Malfunction extract air fan 5
Alarm from frequency converter
SAF via Modbus communication
Alarm from frequency converter
SAF 2 via Modbus communication
Alarm from frequency converter
SAF 3 via Modbus communication
Alarm from frequency converter
SAF 4 via Modbus communication
Alarm from frequency converter
SAF 5 via Modbus communication
Alarm from frequency converter
EAF 1 via Modbus communication
Alarm from frequency converter
EAF 2 via Modbus communication
Alarm from frequency converter
EAF 3 via Modbus communication
Alarm from frequency converter
EAF 4 via Modbus communication
Alarm from frequency converter
EAF 5 via Modbus communication
Warning from frequency converter SAF 1 via Modbus communication
Warning from frequency converter SAF 2 via Modbus communication
Warning from frequency converter SAF 3 via Modbus communication
Corrigo manual, Rev. D 177 (196)
Alarm list
Alarm text
Warning supply air fan 4
Warning supply air fan 5
Warning extract air fan 1
Warning extract air fan 2
Warning extract air fan 3
Warning extract air fan 4
Warning extract air fan 5
External operation supply air fan
External operation extract air fan
Extra fan motor 1 running
C
C
-
Extra fan motor 2 running -
Malfunction pump heater
Malfunction pump cooler
Malfunction pump exchanger B
B
B
Malfunction fire damper
Malfunction damper
Malfunction extra fan motor 1 -
Malfunction extra fan motor 2 -
Testing fire damper C
Malfunction sequence A
Malfunction sequence B
Malfunction sequence C
Malfunction sequence D
Malfunction sequence E
Malfunction sequence F
Malfunction sequence G
Malfunction sequence H
Malfunction sequence I
Malfunction sequence J
B
B
-
-
-
-
-
-
-
-
-
-
C
C
C
C
C
C
Prio
C
29
30
40
41
42
43
44
49
50
51
52
45
46
47
48
33
34
35
36
37
38
39
31
32
27
28
No
24
25
26
0 s
0 s
0 s
0 s
0 s
0 s
120 s
120 s
120 s
120 s
5 s
5 s
20 s
5 s
90 s
5 s
5 s
5 s
5 s
5 s
5 s
5 s
5 s
5 s
5 s
120 s
120 s
0 s
Delay
0 s
Limit Default action Description
Warning from frequency converter SAF 4 via Modbus communication
Warning from frequency converter SAF 5 via Modbus communication
Warning from frequency converter EAF 1 via Modbus communication
Warning from frequency converter EAF 2 via Modbus communication
Warning from frequency converter EAF 3 via Modbus communication
Warning from frequency converter EAF 4 via Modbus communication
Warning from frequency converter EAF 5 via Modbus communication
SAF run-signal received when unit is stopped
EAF run-signal received when unit is stopped
External operation of motor control 1
External operation of motor control 2
Malfunction pump, heating circuit
Malfunction pump, cooling circuit
Malfunction pump, liquid connected exchanger
Fire damper exercise test failed
Normal stop
Malfunction damper (via
Modbus)
Malfunction in extra fan motor control 1
Malfunction in extra fan motor control 2
The unit is stopped due to exercise on fire damper.
Malfunction sequence A
Malfunction sequence B
Malfunction sequence C
Malfunction sequence D
Malfunction sequence E
Malfunction sequence F
Malfunction sequence G
Malfunction sequence H
Malfunction sequence I
Malfunction sequence J
178 (196) Corrigo manual, Rev. D
No
53
Alarm text
Filter alarm supply air
54 Filter alarm extract air
Alarm low air flow
Freeze protection guard
Defrosting guard exchanger
Fire alarm
Smoke alarm
External stop
External alarm
Service stop
C
Electric heating is overheated A
B
B
A
A
Warning freeze protection B
B
A
-
Low efficiency exchanger
Defrosting alarm
Rotary exchanger alarm
Extra alarm 1
Extra alarm 2
Extra alarm 3
Extra alarm 4
Extra alarm 5
Extra alarm 6
Extra alarm 7
Extra alarm 8
Extra alarm 9
Extra alarm 10
Internal battery error A
Alarm service interval C
Restart blocked after power on B
-
-
-
-
-
B
-
-
-
-
-
B
-
Deviation alarm supply air temp.
B
Deviation alarm supply air fan -
Deviation alarm extract air fan -
Deviation alarm humidity control
-
Deviation alarm extra controller -
81
82
83
84
85
65
66
71
72
73
74
67
68
69
70
75
76
77
78
79
80
58
59
60
61
62
63
64
55
56
57
Prio
B
B
Alarm list
0 s
0 s
0 s
0 s
0 s
0 s
0 s
5 s
0 s
0 s
Delay
180 s
180 s
30 min
2 s
0 s
0 s
0 s
0 s
20 s
0 s
0 s
0 s
0 s
0 s
0 s
0 s
0 s
0 s
30 min
30 min
30 min
30 min
30 min
Limit
CURVE
CURVE
50 %
10 °C
50 Pa
50 Pa
10 %
10 °C
Default action Description
Filter alarm supply air pressure switch or analogue filter switch activated. The analogue filter switch may be flow dependent.
Normal stop
Fast stop
Filter alarm extract air pressure switch or analogue filter switch activated. The analogue filter switch may be flow dependent.
Flow switch activated
Fast stop
Fast stop
Normal stop
External frost protection thermostat activated
Exchanger deicing pressure switch activated
Fire alarm activated
Smoke detector activated
"External stop" activated
Normal stop
Normal stop
External alarm activated
Service stop activated
Heater high temperature limit switch activated
Frost protection function is overriding the control of the heater output
Heat exchanger efficiency below limit value
Exchanger deicing activated by deicing sensor
Exchanger rotation guard alarm
Extra alarm 1 on digital input
Extra alarm 2 on digital input
Extra alarm 3 on digital input
Extra alarm 4 on digital input
Extra alarm 5 on digital input
Extra alarm 6 on digital input
Extra alarm 7 on digital input
Extra alarm 8 on digital input
Extra alarm 9 on digital input
Fast stop
Extra alarm 10 on digital input
Internal battery needs replacing
Time for service
Restart blocked due to earlier power failure
Supply air temp deviates too much from the setpoint
Supply air pressure deviates too much from the setpoint
Extract air pressure deviates too much from the setpoint
The room humidity deviates too much from the setpoint
Extra unit temp deviates too much from the setpoint
Corrigo manual, Rev. D 179 (196)
Alarm list
89
90
No
86
87
88
91
107
108
109
110
101
102
103
104
105
106
111
112
113
114
97
98
99
100
92
93
94
95
96
115
Alarm text
High supply air temperature
Low supply air temperature
Supply air temperature max limit
Supply air temperature min limit
High room temperature B
B
-
Prio
B
-
Low room temperature B
High extract air temperature B
Low extract air temperature B
High outdoor air temperature -
Low outdoor air temperature -
Freeze protection alarm 1 A
Freeze protection alarm 2 A
Freeze protection alarm 3 A
High temperature extra sensor
1
Low temperature extra sensor
1
High temperature extra sensor
2
Low temperature extra sensor
2
High temperature extra sensor
3
Low temperature extra sensor
3
High temperature extra sensor
4
Low temperature extra sensor
4
High temperature extra sensor
5
Low temperature extra sensor
5
High temperature selected sensor 1
Low temperature selected sensor 1
High temperature selected sensor 2
Low temperature selected sensor 2
Manual operation air handling unit
Manual operation supply air
-
-
-
-
-
-
-
-
-
-
-
-
-
-
C
C
Manual operation supply air fan C
Delay
5 s
5 s
0 s
0 s
30 min
30 min
0 s
0 s
0 s
0 min
0 min
0 min
0 min
0 min
0 min
0 min
0 min
0 min
0 min
0 min
0 min
0 s
0 s
0 min
0 min
30 min
30 min
0 min
0 min
0 s
30 °C
10 °C
0 °C
0 °C
0 °C
0 °C
30 °C
10 °C
30 °C
10 °C
30 °C
10 °C
30 °C
10 °C
Limit
30 °C
10 °C
30 °C
10 °C
30 °C
10 °C
40 °C
-30 °C
Default action Description
Supply air temp too high
Supply air temp too low
Fast stop
Fast stop
Fast stop
Maximum limiting of supply air temp active
Minimum limiting of supply air temp active
Room temp too high during room temp control
Room temp too low during room temp control
High extract air temp during extract air control
Low extract air temp during extract air control
Outdoor temperature is too high
Outdoor temperature is too low
Frost protection temperature 1 below frost limit value
Frost protection temperature 2 below frost limit value
Frost protection temperature 3 below frost limit value
High temperature extra sensor 1
Low temperature extra sensor 1
High temperature extra sensor 2
Low temperature extra sensor 2
High temperature extra sensor 3
Low temperature extra sensor 3
High temperature extra sensor 4
Low temperature extra sensor 4
High temperature extra sensor 5
Low temperature extra sensor 5
High temperature 1 on selected sensor
Low temperature 1 on selected sensor
High temperature 2 on selected sensor
Low temperature 2 on selected sensor
The unit is in manual mode
Supply air temp controller in manual control
Supply air fan in manual control
180 (196) Corrigo manual, Rev. D
145
146
147
148
149
139
140
141
142
143
144
123
124
125
126
131
132
133
134
127
128
129
130
135
136
137
138
119
120
121
122
No
116
117
118
Alarm text
Manual operation extract air fan
Manual operation heater
Manual operation exchanger
C
C
Prio
C
Manual operation cooler
Manual operation damper
Manual operation pump heater C
C
C
Manual operation pump exchanger
C
Manual operation pump cooler C
Manual operation damper recirc.
Manual operation damper outdoor air
C
C
Manual operation damper exhaust air
C
Manual operation fire damper C
Manual control sequence A -
Manual control sequence B -
Manual control sequence C -
Manual control sequence D -
Manual control sequence E -
Manual control sequence F -
Manual control sequence G -
Manual control sequence H -
Manual control sequence I -
Manual control sequence J -
Output in manual operation C
Input in manual operation C
Manual operation extra controller
Manual operation ext. fan motor 1
C
C
Manual operation ext. fan motor 2
C
Manual operation pretreatment C
Sensor error outdoor air temperature
B
Sensor error intake air temperature
Sensor error supply air temperature
Sensor error exhaust air temperature
Sensor error extract air temperature
B
B
B
B
Sensor error room temperature
1
B
Corrigo manual, Rev. D
Alarm list
5 s
5 s
5 s
5 s
5 s
0 s
0 s
0 s
0 s
0 s
5 s
0 s
0 s
0 s
0 s
0 s
0 s
0 s
0 s
0 s
0 s
0 s
0 s
0 s
0 s
0 s
0 s
0 s
0 s
0 s
0 s
Delay
0 s
0 s
0 s
Limit Default action Description
Extract air fan in manual control
The heater is in manual mode
Heat exchanger output in manual control
Cooling output in manual control
Damper output in manual control
Heating circulation pump in manual control
Exchanger circulation pump in manual control
Cooling circulation pump in manual control
Recirculation air damper in manual control
Fresh air damper in manual control
Exhaust air damper in manual control
Fire dampers in manual control
Manual control of sequence A
Manual control of sequence B
Manual control of sequence C
Manual control of sequence D
Manual control of sequence E
Manual control of sequence F
Manual control of sequence G
Manual control of sequence H
Manual control of sequence I
Manual control of sequence J
Analogue or digital output in manual mode
Analogue or digital input in manual mode
Extra controller in manual mode
Motor control 1 in manual mode
Motor control 2 in manual mode
Pretreatment in manual mode
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
181 (196)
Alarm list
172
173
174
175
176
177
178
179
159
160
161
162
155
156
157
158
163
164
No
150
151
152
153
152
165
166
167
168
169
170
171
Alarm text Prio
Sensor error room temperature
2
B
Sensor error room temperature
3
B
Sensor error room temperature
4
B
Sensor error room temperature
5
B
Sensor error room temperature
6
B
Sensor error room temperature
7
B
Sensor error room temperature
8
B
Sensor error room temperature
9
B
Sensor error room temperature
10
B
Sensor error room temperature
11
B
Sensor error room temperature
12
B
Sensor error room temperature
13
B
Sensor error room temperature
14
B
Sensor error room temperature
15
B
Sensor error room temperature
16
B
B Sensor error pressure supply air
Sensor error pressure extract air
Sensor error flow supply air
B
B
Sensor error flow extract air
Sensor error flow exch. supply air
Sensor error press. exch. extr.
air
Sensor error defrosting temperature
B
B
B
B
B Sensor error freeze protect.
temp. 1
Sensor error freeze protect.
temp. 2
B
Sensor error freeze protect.
temp. 3
B
Sensor error CO2 room/extract air
B
Sensor error humidity room/ extr. air
Sensor error humidity supply air
B
B
Sensor error humidity outdoor B
Sensor error extra controller B
5 s
5 s
5 s
5 s
5 s
5 s
5 s
5 s
5 s
5 s
5 s
5 s
5 s
5 s
5 s
5 s
5 s
Delay
5 s
5 s
5 s
5 s
5 s
5 s
5 s
5 s
5 s
5 s
5 s
5 s
5 s
Limit Default action Description
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
182 (196) Corrigo manual, Rev. D
188
189
190
191
192
193
194
No
180
181
182
183
184
185
186
187
Alarm text
Signal error external control
SAF
Signal error external control
EAF
Sensor error extra sensor 1
Sensor error extra sensor 2
Sensor error extra sensor 3
Sensor error extra sensor 4
Sensor error extra sensor 5
Sensor error external temp.
setpoint
Signal error external flow setpoint
Sensor error press. filter supp.
air
Sensor error press. filter extr.
air
Sensor error efficiency temp.
exch.
Communication fault device
Malfunction extra controller
Internal error
B
B
B
B
B
C
C
C
B
B
B
B
B
B
Prio
B
Alarm list
5 s
5 s
5 s
5 s
0 s
5 s
60 s
Delay
5 s
5 s
5 s
5 s
5 s
5 s
5 s
5 s
Limit Default action Description
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Malfunction in connected sensor
Communication error to a device
Malfunction in connected sensor
Internal error
Corrigo manual, Rev. D 183 (196)
