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– 3 – Imbalance
Error
Imbalance on motor axle
Error
consequence
Drive switch off and brakes with the adjusted brake level
Error cause
•
Weight difference in rotor components.
•
Imbalance switch is defective or not connected.
•
Imbalance switch disadjusted (Adjustment see chapter
"Imbalance switch-off").
•
Loose contact in cable or plug S503
•
Power board (A1) is defective.
Measurement
Plug of imbalance switch S503 Pin 1 to Pin 4
Switch is a opener. See also chapter 10.2.5.
Error code reset Open the lid after standstill
– 4 – Communication
Error Communication
error
between control board and power board
Error
consequence
Drive switch off . No brake effective
Error cause
•
Loose contact in flat ribbon cable
•
Control board (A3) defective
•
Power board (A1) defective
Error code reset MAINS RESET after standstill.
If the MAINS RESET performed before standstill, the target speed
will be indicated in the display until standstill.
– 5 – Overload
Error
Power board detects overload
Error
consequence
Drive switches off. No brake effective
Error cause
•
Power board (A1) defective
•
Motor defective (to low impedance or motor bearings are
defective)
Measurement Motor
coil, see section 10.2.2.
Error code reset Perform a MAINS RESET after standstill
