Alarm list
No | Alarm text | Delay | Description | Measures |
|---|---|---|---|---|
1 | Fault Supply air fan 1 | 200 s | Fault Supply air fan 1 | The fan blower must be checked |
6 | Fault Exhaust air fan 1 | 200 s | Fault Exhaust air fan 1 | The range hood must be checked |
11 | Alarm Supply air fan 1 | 0 s | Alarm from SAF frequency converter via Modbus communication | The fan blower must be checked |
16 | Alarm Exhaust air fan 1 | 0 s | Alarm from frequency converter EAF 1 via Modbus communication | The range hood must be checked |
21 | Warning Supply air fan 1 | 0 s | Alarm from frequency converter SAF 1 via Modbus communication | The fan blower must be checked |
26 | Warning Exhaust air fan 1 | 0 s | Warning from frequency converter EAF 1 via Modbus communication | The range hood must be checked |
56 | Anti-freeze grid | 0 s | External frost protection thermostatically activated | The value of the freezing temperature sensor is below the specified limit value |
57 | Defrost monitor exchanger | 0 s | Exchanger de-icing pressure switch activated | The value of the defrost temperature sensor is below the specified limit value |
58 | Fire alarm | 0 s | Fire alarm activated | Check the connections of the fire status information of the corresponding terminal |
59 | Smoke detector | 0 s | Smoke detector activated | Check the connections of the smoke status information of the corresponding terminal |
63 | Electric heater is overheated | 0 s | Heating high temperature limit switch activated | Failure of the electrical heating at high temperature. Check whether there is an air flow. Check the cable connections of the heater. Disconnect the power supply and check the heater. |
68 | Filter-1 is dirty | 0 s | Filter-1 Contamination at the digital input | Check whether the filter on the fresh air side is dirty |
69 | Filter-2 is dirty | 0 s | Filter-2 Contamination at the digital input | Check whether the filter on the return air side is dirty |
71 | SAF motor protection switch | 0 s | SAF motor protection switch at the digital input | Check SAF motor protection switch |
72 | EAF motor protection switch | 0 s | EAF motor protection switch at the digital input | Check EAF motor protection switch |
73 | DX interference | 0 s | DX interference at the digital input | Check the connection of the DX error information on the corresponding terminal |
78 | Internal battery fault | 0 s | Internal battery must be replaced | Internal battery must be replaced |
81 | Deviation alarm supply air temp. | 30 min | Supply air temperature deviates too much from the setpoint value | Check the supply air temperature sensor and the coils |
86 | High supply air temperature | 5 s | Supply air temperature too high | The supply air is above the specified limit value. Check the heating drive or the electric heating. |
87 | Low supply air temperature | 5 s | Supply air temperature too low | The supply air is below the specified limit value. Check cooling valve or DX unit. |
90 | High room temperature | 30 min | Room temperature too high with room temperature control | The room temperature is above the specified limit value. Check the temperature control equipment, heating valve, DX unit, etc. |
91 | Low room temperature | 30 min | Room temperature too low with room temperature control | The room temperature is below the specified limit value. Check the refrigerant control system, refrigerant valve, DX unit, etc. |
113 | Manual operation of the ventilation unit | 0 s | The unit is in manual mode | The unit must be in OFF mode. If not, check the manual mode parameters. |
114 | Manual operation Supply air | 0 s | Supply air temperature controller with manual control | Check manual mode parameters |
115 | Manual operation Supply air fan | 0 s | Supply air fan with manual control | Check manual mode parameters |
116 | Manual operation Exhaust air fan | 0 s | Exhaust air fan with manual control | Check manual mode parameters |
117 | Manual mode Heating | 0 s | The heater is in manual mode | Check manual mode parameters |
118 | Manual operation Heat exchanger | 0 s | Heat exchanger output with manual control | Check manual mode parameters |
119 | Manual operation Cooler | 0 s | Cooling capacity with manual control | Check manual mode parameters |
120 | Manually operated shutter | 0 s | Shutter performance with manual control | Check manual mode parameters |
128 | Manual control sequence A | 0 s | Manual control of sequence A | Check manual mode parameters |
129 | Manual control sequence B | 0 s | Manual control of sequence B | Check manual mode parameters |
130 | Manual control sequence C | 0 s | Manual control of sequence C | Check manual mode parameters |
131 | Manual control sequence D | 0 s | Manual control of sequence D | Check manual mode parameters |
132 | Manual control sequence E | 0 s | Manual control of sequence E | Check manual mode parameters |
138 | Output in manual mode | 0 s | Analogue or digital output in manual mode | Check manual mode parameters |
139 | Input in manual mode | 0 s | Analogue or digital input in manual mode | Check manual mode parameters |
143 | Pre-treatment in manual mode | 0 s | Pre-treatment in manual mode | Check manual mode parameters |
144 | Sensor error Outside air temperature | 5 s | Fault in the connected sensor | Check the corresponding sensor connections |
145 | Sensor error Intake air temperature | 5 s | Fault in the connected sensor | Check the corresponding sensor connections |
146 | Sensor error Supply air temperature | 5 s | Fault in the connected sensor | Check the corresponding sensor connections |
147 | Sensor error Exhaust air temperature | 5 s | Fault in the connected sensor | Check the corresponding sensor connections |
148 | Sensor error Exhaust air temperature | 5 s | Fault in the connected sensor | Check the corresponding sensor connections |
149 | Sensor error Room temperature | 5 s | Fault in the connected sensor | Check the corresponding sensor connections |
165 | Sensor error Supply air pressure | 5 s | Fault in the connected sensor | Check the corresponding sensor connections |
166 | Sensor error Exhaust air pressure | 5 s | Fault in the connected sensor | Check the corresponding sensor connections |
167 | Sensor error Supply air flow rate | 5 s | Fault in the connected sensor | Check the corresponding sensor connections |
168 | Sensor error Exhaust air flow | 5 s | Fault in the connected sensor | Check the corresponding sensor connections |
171 | Sensor error Defrost temperature | 5 s | Fault in the connected sensor | Check the corresponding sensor connections |
175 | Sensor error CO2 room/exhaust air | 5 s | Fault in the connected sensor | Check the corresponding sensor connections |
176 | Sensor error Room/external air humidity | 5 s | Fault in the connected sensor | Check the corresponding sensor connections |
192 | Device for communication disturbances | 0 s | Communication error to the supply/exhaust air fan driver | Check the communication lines |
194 | Internal error | 60 s | The configuration of a physical output to more than 1 function leads to undefined behaviour of the controller | Check the positions of all digital and analogue outputs |