Error code
Uppvärmning övervärme larm Heating flow-temperature overtemperature alarm
Applies to 1 model
RX95
What this means
The maximum flow-temperature alarm limit has been exceeded, probably because of insufficient circulation or a radiator-circuit problem. Factory limits are 45 °C for underfloor heating and 75 °C for radiator heating.
When to call a technician
This fault involves refrigerant, pressure, or electrical work that must be handled by a certified technician under EU F-gas rules. Do not attempt to open the refrigerant circuit, access mains wiring, or adjust pressure components yourself. Contact a qualified installer or servicer for this one.
See the official ComfortZone manualA deep link to the manufacturer's own PDF for full technical detail. We link to manuals, we never host them.