What do common FENWALNET 6000 trouble codes such as Ground Fault, Open Circuit, and Device Failure indicate?
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Common trouble codes on the FENWALNET 6000 indicate specific wiring or hardware issues. Ground Faults signify a low impedance path between a field conductor and earth ground, with a normal offset voltage of 6.6 Vdc (Page 1) [1].
Open Circuits indicate a break in field wiring or a missing 10k Ohm end-of-line resistor on SLC, Release (AR), or NAC (SG) circuits (Page 6, 170) [1].
Device Failures range from communication losses ("Addr Trouble Open") to internal hardware issues like DC-to-DC converter failures ("Addr Line Volt Fault") or software errors ("Addr RAM Fault") (Page 175, 177) [1].