TM 5-4810-218-12
Troubleshooting
Table 4-2.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
WATER TREATMENT SECTION
1.
LOW WATER ALARM SYSTEM FAILS TO OPERATE.
Check for a defective light assembly.
Step 1.
Replace light assembly, paragraph 4-29.
Check for a defective lamp receptacle.
Step 2.
Replace lamp receptacle, paragraph 4-29.
Check for a burned out lamp.
Step 3.
Replace the lamp, paragraph 4-29.
Check for a defective toggle switch.
Step 4.
Replace the toggle switch, paragraph 4-31.
Check for a defective sensitive switch.
Step 5.
Replace the sensitive switch, paragraph 4-30.
Check for a defective 110 volt receptacle connector.
Step 6.
Replace the 110 volt receptacle connector, paragraph 4-27,
4-28.
Check to see if the float is out of adjustment.
Step 7.
Adjust the float, paragraph 4-51.
2.
DRIVE MOTOR WILL NOT OPERATE.
Check for loose wiring connections.
Step 1.
Tighten the connections, paragraph 4-39.
Check for a defective motor starter, overload heaters, or
Step 2.
operating coils.
Replace the overload heaters or operating coils, para-
graph 4-34, 4-35.
4-45
