TROUBLESHOOTING
Symptom
Possible Cause
Corrective Action
Container is cold and 1. Vacuum loss. Check NER. 1. Consult with Taylor-Wharton
may have ice or frost
for course of action. Do not
on outer casing. Will
attempt to put additional
not hold liquid over-
liquid in container.
night. Relief valve is
2. Defective P.B./Economizer 2. Look for P.B. coil pattern in
venting gas.
regulator.
ice. Close P.B. valve.
Replace or reset regulator.
Ice formation on
1. Pressure building valve
1. Replace or rebuild valve.
bottom of container
not closing properly.
when P.B. valve is
2. Leak in pressure
2. Leak test piping
closed.
building system
connections and tighten
topworks.
fittings if needed.
Container vents
Pressure Building/
Remove and reset or replace
through relief valve
Economizer Regulator set
regulator.
when in use.
above relief valve setting.
Economizer side of
regulator clogged or
stuck open.
Container vents after
This may be caused by
Symptom should go away
fill but quits after
residual heat vaporizing
once container reaches
awhile.
some liquid inside
operating temperature and
container and is a normal
the liquid reaches its
condition.
saturation point at container
operating pressure.
Container vents gas
Heat leak may be too
Perform container
continuously through
great.
performance evaluation test
relief valve.
per Maintenance section to
determine if container
vacuum is adequate.
Level indicator stuck
Float rod stuck on or in
Reinstall. See Contents
1/2 full. Yellow
float rod guide.
Gauge Installation.
indicator ring will not
move.
Level indicator at
Indicator disengaged from
Recouple indicator using
bottom of gauge.
gauge rod. Caused by
engagement ring.
Container full of
dropping the container.
product.
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