Troubleshooting
Caution
When disassembling or removing the product, wait until the internal pressure equals
atmospheric pressure and the surface of the product has cooled to room temperature.
Disassembling or removing the product when it is hot or under pressure may lead to discharge of
fluids, causing burns, other injuries or damage.
If the product fails to operate properly, use the following table to locate the cause and remedy.
Problem
Cause
Remedy
No condensate is
discharged (blocked) or
discharge is poor
The float is damaged or filled with
condensate
Replace with a new float
The float is sticking to the orifice
Clean parts
The orifice opening of the drain
hole or piping are clogged with
rust and scale
Clean parts
Flow exceeds trap’s rate capacity
Check specifications and reselect
the trap suitable for actual flow
The product operating pressure
exceeds the maximum specified
pressure or there is insufficient
pressure differential between the
product inlet and outlet
Compare specifications and
actual operating conditions
Steam locking has occurred
Perform a bypass blowdown or
close the trap inlet valve and
allow the trap to cool
Steam is discharged or
leaks from the outlet
(blowing)
(steam leakage)
Build-up on the seating surface of
the orifice or rust and scale build-
up beneath the float
Clean parts
Scratches on the orifice
Replace with a new body
The float is damaged or has
build-up
Replace with a new float
Trap is installed above the
maximum allowable inclination
angle
Correct the installation
Trap vibration
Lengthen the inlet piping and
fasten it securely
Steam is leaking from a
place other than the outlet
Gasket deterioration or damage
Replace with a new gasket
Improper tightening torques was
used on the body clamp wing nut
Tighten to the proper torque
Float frequently becomes
damaged
Water hammer has occurred
Study and correct the piping
Some condensate is held in
the trap
The small drain hole is blocked or
clogged with foreign matter
Clean
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