E70

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Error Code	Cause Analysis	Troubleshooting / Solution
CB and -3/ -4	Upgraded the incorrect firmware	Upgrade the correct version of firmware.
CB and -1	Firmware upgrade failed	Upgrade the correct firmware.
Cycle displaying dAc and Err	Unit may be defective	Disconnect all the inputs and outputs of E70 and reboot. If that still not works, unit is considered defective.
Cycle displaying dIr and Err	Unit may be defective	Disconnect all the inputs and outputs of E70 and reboot. If that still not works, unit is considered defective.
Cycle displaying IN and Err Cycle displaying INH and Err Cycle displaying INL and Err	Abnormal input voltage	Check the power supply and try with other power supplies.
Cycle displaying PN and Err Cycle displaying PNH and Err Cycle displaying PNL and Err	Unit may be defective	Disconnect all the inputs and outputs of E70 and reboot. If that still not works, unit is considered defective.