If the voltage rises and falls quickly, check the back-up battery G2200 contacts for loose soldering or short-
circuit, and repair or change G2200 if necessary. If the voltage stays ~0V, check resistance VBACK against GND.
If there is no shortcircuit, AVILMA N2200 is faulty. Replace N2200.
RM-484; RM-485; RM-486
BB Troubleshooting
Issue 1 COMPANY CONFIDENTIAL Page 3 –9
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