Table 3-1. Direct Support Troubleshooting-continued
TEST OR INSPECTION
ALL PUMPS INOPERABLE (Models WPES-10, H-9518-1, WPES-30 and H-9518-3).
High voltages in this equipment can cause serious injury or death. When applying power
during a test, take proper measures to ensure safety of personnel. Never work on
electrical equipment unless there is another person nearby who is familiar with the
operation and hazards of the equipment.
Check if 208 VAC, 3 phase power is supplied by generator. Refer to generator manual.
If 208 VAC, 3 phase power is not supplied, troubleshoot and repair generator.
Disconnect power cable at power input jack, J1 on junction box and check for 208 VAC, three phase
power, between the following pins on cable connector P1:
A-B, A-C, B-C
If 208 VAC is not measured in all three tests, repair generator cable assembly. Refer to Paragraph 3-28.
Perform a point-to-point continuity check of circuit A.
If continuity is absent, tighten loose connections or repair/replace defective wire.
Perform a point-to-point continuity check of circuit B.
If continuity is absent through switch, S13 (switch ON), replace defective switch. Refer to Paragraph
If continuity is absent through cable assembly, W62, repair cable assembly. Refer to Paragraph 3-27.
If continuity is absent through circuit breaker, CB9 (CB9 ON), replace CB9. Refer to Paragraph
If continuity is absent in wiring, tighten loose connections or repair/replace defective wire.
3-4 Change 1