Docu-No.: 1090020601-EN Rev. 1.2.1 Page 81
Troubleshooting 10
General information on fault detection 10.1
10 Troubleshooting
10.1 General information on fault detection
▲ The front cover is Part of the ignition protection and it must not be
opened unless power has been removed and no explosive
atmosphere is present.
▲ Immediately after shut-down, the capacitors and, therefore, the
conducting parts of the KCM are under high voltage.
For this reason, before opening the KCM:
• Disconnect the KCM from the power supply;
• Wait the prescribed time of 3 minutes.
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