Moeller Service & Repair Forum
Moeller ZB4-501-UM4 interface converter showing error code E42, not communicating with main PLC.
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If you need your Moeller unit tested or repaired,
give us a call at 1-336-969-0110.
Estimates are free with an approved repair. Declined or unrepairable units are subject to a $75 evaluation, handling, and standard return-shipping fee. Extended warranties may be available.
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Industrial Electronic Repair
124 Five Forks Dr PMB #208
King, NC 27021
Phone: 1-336-969-0110
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