ARMY TM 9-6115-464-34AIR FORCE TO 35C2-3-445-2NAVY NAVFAC P-8-624-34Table 5-2. ELECTRIC WINTERIZATION KIT TROUBLESHOOTING CHART (Continued)MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION2. POWER ON INDICATOR LIGHT DOES NOT ILLUMINATE WITH SWITCH IN ON POSITION.Step 1. See Malfunction 1 of this table.Step 2. Defective thermostat.Replace thermostat (para. 5-10).3. HEATER ELEMENT DOES NOT HEAT UPStep 1. Defective wiring harness.Replace wiring harness (para. 5-13).Step 2. Defective heater element.Replace heater element (para. 5-10).Step 3. Defective power relay.Replace power relay (para. 5-9).4. PUMP DOES NOT CIRCULATE COOLANTStep 1. Defective fuse.Replace fuse (para 5-9).Step 2. Defective switch.Replace switch (para 5-9).Step 3. Defective circuit breaker.Replace circuit breaker (para. 5-9).Step 4. Defective semi-conductor.Replace semi-conductors (para 5-9).Step 5. Defective motor assembly.Replace motor assembly (para 5-11).Step 6. Defective pump.Repair or replace pump (para. 5-11).5-19
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