Table 3-1. Direct Support Troubleshooting - continued
TEST OR INSPECTION
BACKWASH PUMP ASSEMBLY - continued
Replace switches S13 or S3 (switches ON), if open. Refer to Paragraph 3-49.
Replace CB6 (CB6 ON) if open. Refer to Paragraph 3-53.
Repair cable assembly, W52, if open. Refer to Paragraph 3-27.
Replace motor starter, if relay auxiliary contacts (3-4) on relay K2 are open and/or 90-120 Ohms is
not measured between Al and A2. Refer to Paragraph 3-61.
If continuity is absent through wiring, tighten loose connections and/or replace defective wire.