Operating instructions i550 cabinet frequency inverter | 43
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Troubleshooting
Error message
If an error is pending, the keypad shows the following information.
MAN AUTO SETLOC REM
Warn.DC Bus UV
O 1 W 3 2 2 1
1 = Error text
2 = Error type (F = fault, T = trouble, W = warning)
3 = Error code (hexadecimal)
• Faults (F) and trouble (T) are displayed continuously. The inverter is disabled.
• Warnings (W) are displayed every 2 seconds for a short time. The inverter is probably
disabled.
Reset error via keypad
Errors can be reset via the stop key.
• Prerequisite: Cause of error has been eliminated and no blocking time is active.
• Press the stop key to reset the error. The motor is stopped.
• Press the start key to cancel the stop.
Reset error via terminal control
When terminal control is used, errors can be reset in two ways:
1. Via start signal P400.02 (default setting of digital input 1).
• Prerequisite: Cause of error has been eliminated and no blocking time is active.
• The signal at the digital input 1 must drop and then be applied again.
2. Via error reset signal (P400.04, default setting of digital input 2).
• Prerequisite: Cause of error has been eliminated and no blocking time is active.
• The error is reset if a signal is applied to digital input 2.
Error codes
LED statusError message
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