9.
Handling Of Misfunctions
All de vi ces of ER MA- E lectro nic GmbH are te sted for perfect func tion du ring pro duc -
tion as well as when de li vered. Ne vert he less it is pos si ble that a de vice won’t work.
That is not all ways a reason by the new de vice. The re are many small reasons that
will re sult in mis func ti ons. If the FT 9004 won’t work pro perly, plea se check the fol lo -
wing points.
• Look for pro per supply vol ta ge
• Look for pro per wi ring of supply
• Look for pro per con fi gu ra ti on of the di vi der va lue
• Look if high vol ta ge spikes are exi sting and have an in flu ence to the de vice.
If all tests are all right, the de vice must be send back for con tro ling.
ERMA-Electronic GmbH
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9. Handling Of Misfunctions