Troubleshooting - CONCOA ADI 2062M Instrucciones Para La Instalación Y Operación

TROUBLE SHOOTING
Symptoms
Gas leakage at the regulator
outlet when the adjusting screw is
turned fully counterclockwise.
With no flow through the system
(downstream valves closed),
outlet pressure increases steadily
above the set pressure.
Gas leakage from spring case or
bonnet.
Excess drop in outlet pressure
with regulator flow open.
Gas leakage from any pipe thread
Gas leakage from relief valve.
Inconsistent repeat reading
Inlet or outlet pressure gauge
does not return to zero with no
pressure applied to the regulator
joint.
Probable Cause
Seat leak or creep, have regulator
Seat leak or creep, have regulator
Diaphragm failure, have regulator
Blockage in seat assembly or inlet
filter. Have regulator repaired.
Loose fitting, remove connection
clean, reapply PTFE tape and
Possible faulty relief valve, replace.
Possible seat leak or creep, have re-
Seat sticking, have regulator repaired.
Possible bad pressure gauge.
Gauge has suffered physical damage,
replace gauge.
repaired.
repaired.
repaired.
retighten.
paired.
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