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error Sobo
Error Code E1
Refrigerator temperature sensor error.
? What Causes This
Temperature control board or wiring malfunction.
✓ How to Fix It
Contact a service technician for repair. This may involve replacing the temperature sensor or PCB board.
Source: page 15 of the official manual
From the manual
This error code appears in:
Sobo HG 320 Myofascial Physiotherapy Device