Cerabar M HART Troubleshooting
Endress+Hauser 39
8.7 Repair of Ex-certified devices
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Warning!
When repairing Ex-certified devices, please note the following:
• Only specialist personnel or Endress+Hauser may undertake repairs to certified devices.
• Relevant standards, national hazardous area regulations and safety instructions and certificates
must be observed.
• Only use genuine spare parts from Endress+Hauser.
• When ordering spare parts, please check the device designation on the nameplate. Identical parts
may only be used as replacements.
• Electronic inserts or sensors already in use in a standard device may not be used as spare parts for
a certified device.
• Carry out repairs according to the instructions. After a repair, the device must fulfill the
requirements of the specified individual tests.
• A certified device may only be converted to another certified version by Endress+Hauser.
• All repairs and modifications must be documented.
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