Error code
PL1 input alarm PL1 input alarm
Applies to 1 model
RX95
What this means
Terminal X3:11 may be incorrectly connected, or the sensor input at X3:11 may be faulty.
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.