Error code
Givarfel Sensor fault
How it shows on the unit Flashing red alarm lamp while alarm is active
Applies to 2 models
IVT 490, IVT 495 TWIN
What this means
A connected temperature sensor, such as the GT1 supply sensor, has reported a fault. The cause may be temporary, or the sensor or its connection 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 IVT manualA deep link to the manufacturer's own PDF for full technical detail. We link to manuals, we never host them.
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