Technical data

TROUBLESHOOTING
CV ELECTRICAL POWER SYSTEM MAINTENANCE MANUAL 2A5A2-ELEC-MM-1-0 42
5.8 Unit Plugged in Power Bus #1 Doesn't Work
PB-EPO2-11 PB-EPO2-10 Hardwired OTL-EPO1-1
– VCR display 1
– VCR 1
– Winch control panel – Red lights – Empty
Procedure
1. Follow the troubleshooting steps in Figure 7.
0.
No
Problem
solved?
Yes
Measure voltage at outlets:
Outlets Acceptable Readings
2A5A2-OTL-EP01-4
2A5A2-OTL-EP01-3
2A5A2-OTL-EP01-1
120 ± 12 VAC
120 ± 12 VAC
120 ± 12 VAC
No
Voltage OK? Yes
Done
At the 208/120 VAC 3ø distribution panel #1, reset
breakers:
- video console outlet
- interior red light and utility outlet (2A5A2-CB-EP02-2)
- control/power console power bar (2A5A2-CB-EP02-1)
Replace the power bar where the
defective unit is plugged (see Section
4.10, Replacing a Power Bar)
Follow decision tree in Section 5.2,
Troubleshooting Subroutine – 10 kVA
480-208/120 VAC 3ø Transformer #1 or
#2 Power Check
Figure 7 Troubleshooting – Unit Plugged in Power Bus #1 Doesn't Work