Error code
Expansionsventil ställning larm Expansion-valve position fault
Applies to 3 models
EX35, EX50, EX65
What this means
The expansion-valve control board reports a position or control fault; the valve may not open or close correctly.
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.