High or Low Voltage Error Message

The voltage operating limits for the Viper are 200VAC (low) to 260VAC (high). If the incoming line voltage is outside of this range for more than 2 minutes, the Viper will shut down. Check for the following:

1. Voltage or Phase at the wall receptacle

2. Voltage out of the BNB

3.BNB miss-wired

4. Faulty wiring – 3 phase to single phase (hot leg)

5. Loose wire connection(s) at receptacle, BNB or Viper.