Hettich ROTOFIX 32 - Page 13

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– 8 – Undervoltage
Error Mains voltage less than 20% as nominal voltage.
Error
consequence
Drive switches off. No brake effective
Error cause
• Mains voltage too less
• Power board (A1) defective
Measurement Check the mains voltage
Measure intermediate voltage, see chapter 9.2.6
Error code reset Perform a MAINS RESET after standstill.
– 9 – Overtemperature
Error Overtemperature in the motor indicated.
Error
consequence
Drive switches off. No brake effective
Error cause
• Motor defective
• Power board (A1) defective
• Overtemperature switch in motor defective
• Loosen contact in plug S401 Pin 4 or 5
Measurement
Remove plug S401 and measure between Pin 4 and 5 :
Switch closed: ≈ 0 Ω OK
Switch open: ∞ Ω defective
See also chapter 9.2.
Error code reset Perform a MAINS RESET after standstill.