Which products are affected?
Keypad XT (version 3A21) in combination with 8200vector/motec and 9300
What happens?
Instead of a selective overvoltage message and low voltage message only the 'Fail' message is indicated on the display.
When does the problem occur?
In case of overvoltage/low voltage of the DC bus
Possible diagnostics?
The diagnostics via keypad is only possible in case of overvoltage/low voltage in the DC bus.
Short-term measures/recommendations?
Use of a keypad with firmware version 2.2 or higher
Evaluation:
The error cannot clearly be assigned with regard to overvoltage and low voltage by means of the keypad.
