List of Error Codes for the RS3-DUO
E1 - Network Unit not receiving signal from cell tower.
E2 - Coverage Unit hardware failure.
E3 - Coverage Unit is overheating.
E4 - Network Unit is overheating.
E6 - Network Unit hardware failure.
E7 - Unit Disabled by mobile network operator.
E8 – Input signal too strong.
Too Close - Unit too close to operate.
Too Far- Units too far apart to operate.
**Network Unit (NU) is also known as the Window Unit (WU).**