Technical data

TROUBLESHOOTING
CV ELECTRICAL POWER SYSTEM MAINTENANCE MANUAL 2A5A2-ELEC-MM-1-0 44
No
Problem
solved?
Yes
Measure voltage at outlets:
Outlets Acceptable Readings
2A5A2-OTL-EP01-6
2A5A2-OTL-EP01-9
2A5A2-OTL-EP01-7
2A5A2-OTL-EP02-8
2A5A2-OTL-EP02-5
120 ± 12 VAC
120 ± 12 VAC
120 ± 12 VAC
120 ± 12 VAC
120 ± 12 VAC
No
Voltage OK? Yes
Done
At the 208/120 VAC 3ø distribution panel #2,
reset breakers:
- video projectors
- entrance outlet and CV light
- power room outlet and lights
Replace defective unit:
Section 4.13, Replacing a Power Room
Fluorescent Light Assembly
Section 4.14, Replacing a Control Room
Fluorescent Light Assembly
Section 4.16, Replacing an Emergency Light
Is the problem
with the video
projector?
No
Yes
Follow decision tree in Section 5.2,
Troubleshooting Subroutine – 10 kVA
480-208/120 VAC 3ø Transformer #1 or
#2 Power Check
Figure 8 Troubleshooting – Unit Plugged in Power Bus #2 Doesn't Work