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SECTION V – TROUBLESHOOTING
(See separate component O&M for additional details.)
Symptom Probable Cause Corrective Action / Remedy
Tubes are fouled. Clean tubes per Section III, annual
scheduled maintenance.
Excess silt in bottom of tank. Drain and flush tank per Section III ,
annual scheduled maintenance.
Air or water leak in
temperature control.
Repair or replace per separate O&M.
Ruptured diaphragm on air
or water operated valve.
Repair or replace per separate O&M.
Debris in Accritem. Clean Accritem.
Strainers clogged. Clean strainers per Section III, annual
scheduled maintenance.
Gradual loss of heating
capacity.
Pump impellor deteriorated. Repair or replace per separate O&M.
Temperature regulator has
lost its charge, self contained
valves only.
Repair or replace per separate O&M.
Ruptured tube(s) in heating
coil.
Remove / replace heating coil.
Temperature regulator needs
adjusting.
Adjust temperature regulator per
Section IV.
Circulator not operating. Repair or replace per separate O&M.
Debris under seat of
temperature control valve.
Repair or replace per separate O&M.
Overheating.
Capillary tube pinched on
temperature control.
Repair or replace per separate O&M.
Rib blown out of tube side
gasket.
Remove heating coil and replace
gasket.
Capillary tube pinched on
temperature control.
Repair or replace per separate O&M.
Ruptured diaphragm on
temperature control valve.
Repair or replace per separate O&M.
Defective steam trap. Repair or replace per separate O&M.
Blockage in condensate line. Clean blockage from condensate line.
Immediate loss of heating
capacity.
Loss of air pressure on
temperature regulator.
Check air pressure to temperature
regulator. Verify that it is within
limits. Adjust as necessary.