page 4TM9-6116-666-13 DANGEROUS VOLTAGE EXISTS ON UVE CIRCUITS. AL- WAYS OBSERVE SAFETY PRECAUTIONS AND NEVER WORK ALONE. FAILURE TO OBSERVE THIS WARNING COULD RESULT IN SEVERE PERSONAL INJURY OR DEATH. NO Measure voltage at YES - N3/U, UR, R and N3/MP: - 120 f 1 VAC? v . v NO Repair or Replace Measure voltage at YES cables ‘78” and ” 141” - NW, S and N3/MP: 120 f 1 VAC? v Repair or Replace cable ‘79’ v NO Measure voltage at - N3# and N3/MP: 120 f 1 VAC? YES Repair or Replace cables ‘43” and ‘0” NO Measure voltage at YES K26115and K7lA2: - 24 VDC? Figure 5-15 UNDER/OVER FREQUENCYlamp lights up during operation (sheet 3 of 6). 5 - 77
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