Table 3-1. Direct Support Troubleshooting - continued
TEST OR INSPECTION
REVERSE OSMOSIS (R.O.) PUMP ASSEMBLY - continued
Perform continuity check of R O pump motor cable assembly.
If pump motor cable is not defective, repair pump motor. Refer to paragraph 3-38.
Check jog circuit for continuity as follows' make additional point-to-point continuity checks as
necessary to isolate faulty component.
K1 (A2) (90 - 120 Ohms)
If switches, S13 or S12 are defective (switches ON), replace them. Refer to paragraph 3-45.
If relay K1 is open and/or 90-120 Ohms is not measured between A1 and A2, replace motor
If heater assembly is open, replace defective heaters (para 3-49) and reset heater assembly.
If wires are open, tighten loose connections or replace defective wire.