Troubleshooting - GEM R639 eSyStep Operating Instructions Manual

14 Troubleshooting

14.1 LED error message
Function
Supply voltage too low
Software Update
Internal error
Product not calibrated
Motor does not move
Product not initialized
Temperature error
Emergency power operation, OPEN position
Emergency power operation, CLOSED position
Emergency power operation, position unknown
Set value too small
Set value too high
Maintenance required, OPEN position
Maintenance required, CLOSED position
Maintenance required, position unknown
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Power/fault Open
red
red
red
red
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14 Troubleshooting
Error Closed
Open and Closed flash
alternately
GEMÜ R639 eSyStep
Positioner (Code S0)