Alarm codes
| Alarm code | Alarm text | Details |
|---|---|---|
| 1001 |
B1 - Supply air temperature sensor fault |
View |
| 1002 |
B6 - Exhaust air temperature sensor fault |
View |
| 1003 |
B3 - Extract air temperature sensor fault |
View |
| 1004 |
B4 - Outside air temperature sensor fault |
View |
| 1005 |
B5 - Frost protection temp. Heating coil sensor fault |
View |
| 1006 |
H1 Humidity sensor fault |
View |
| 1007 |
M3 - Rotary heat exchanger motor stuck |
View |
| 1008 |
M3 - Rotary heat exchanger belt broken |
View |
| 1009 | M9 - Fire damper fault | View |
| 1010 | TM1 - Supply air fan fault | View |
| 1011 | TM2 - Exhaust air fan fault | View |
| 1020 |
Time to replace air filters. |
View |
| 1022 |
B10 - HWT top sensor fault |
View |
| 1023 | B11 - HWT middle sensor fault | View |
| 1024 |
B12 - Flow temp. heating circuit sensor fault |
View |
| 1025 | B13 - Return temp. heating circuit sensor fault | View |
| 1026 | B14 - Flow temp. After reheating coil sensor fault | View |
| 1027 | B15 - Return temp. HWT sensor fault | View |
| 1028 | B16 - HWT bottom sensor fault | View |
| 1029 | B20 - Frost protection temp. sensor fault, zone 2 | View |
| 1030 |
B21 - Supply air temperature sensor fault, zone 2 |
View |
| 1032 | Supply air duct pressure sensor fault | View |
| 1033 | Extract air duct pressure sensor fault | View |
| 1034 | P1 - Differential pressure supply air sensor fault | View |
| 1035 |
P2 - Differential pressure exhaust air sensor fault |
View |
| 1036 | HWT all sensor fault | View |
| 1039 |
M3 - Rotary heat exchanger, motor shorted |
View |
| 1040 |
Low battery wireless device |
View |
| 2001 | X8 - Emergency off | View |
| 2002 | X8 - Smoke detector | View |
| 2003 |
X8 - CO detector |
View |
| 2004 | Fire alarm - B1 or B3 over max temperature | View |
| 2005 | Supply air temperature min alarm | View |
| 2007 | B5 - Heating coil frost alarm | View |
| 2008 |
F15 - Heat pump reheating coil over temperature detection |
View |
| 2009 | F20 - Over temperature detection, electrical heater zone 2 | View |
| 2010 | F10 - electric heater supply air over temperature detection | View |
| 2011 | B20 - Heating coil frost alarm zone 2 | View |
| 2013 | View | |
| 2014 | M6, M8, M14 - Heat pump dampers stop air flow | View |
| 2016 | Low water flow warning | View |
| 2018 | Heat pump unable to start | View |
| 2019 | Heat pump, B31 - high return temperature | View |
| 2020 | M31 - Primary water pump unable to start. | View |
| 2024 |
EB1 - Electric Heating, unable to control |
View |
| 2025 |
M3 - Rotary heat exchanger, unable to control |
View |
| 3001 | XCU - communication fault, heat pump | View |
| 3002 | ECU - communication fault, expansion board | View |
| 3003 | ECUL communication fault, expantion board | View |
| 3004 | QBM - communication fault, pressure sensor | View |
| 3006 | CI75 - Communication fault, wireless adapter | View |
| 3007 | Communication fault, wireless device | View |
| 9001 | B31 - Inlet water temperature sensor, heat pump | View |
| 9002 | B30 - Outlet water temperature sensor, heat pump | View |
| 9003 | B32 - Inlet air temperature sensor, heat pump | View |
| 9004 | Heat pump - Defrosting temperature sensor | View |
| 9005 | Heat pump - Discharge temperature sensor | View |
| 9006 | Heat pump - Outlet water temperature high | View |
| 9007 | Heat pump - Outlet water temperature low | View |
| 9008 |
Heat pump - CO2 discharge temperature high |
View |
| 9009 | Heat pump - CO2 discharge temperature low | View |
| 9010 | Heat pump - High pressure switch | View |
| 9011 | Heat pump - High air temperature defrosting | View |
| 9012 | Heat pump - Fan motor | View |
| 9013 | M31 - Water pump | View |
| 9014 | Inverter communication | View |
| 9015 | Inverter motor control | View |
| 9016 |
Inverter overcurrent |
View |
| 9017 | Inverter current detection | View |
| 9018 | Inverter overvoltage | View |
| 9019 | Inverter undervoltage | View |
| 9020 | Inverter Power supply | View |
| 9021 | Inverter voltage detection | View |
| 9022 | Inverter heat sink temperature | View |
| 9023 | Inverter overload | View |
| 9024 | Heat pump - low flow | View |
| 9025 | Error on mixing valve, M11 | View |
| 9026 | Error on three-way valve, M12 | View |
| 9027 | Damper motor error, M8 | View |
| 9028 | Error on flow through heater | View |
| 9029 | Super low air temperature | View |