172-65563MAJ-03 (P46S) 6 Oct 2021
12
Troubleshooting
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.
CAUTION
When the product fails to operate properly, use the following table to locate and
remedy the cause.
Problem
Cause
Remedy
No condensate
is discharged
(blocked) or
discharge is
poor
On-body valve seat, screen or piping
are clogged with rust or scale
Clean parts
Disc is stuck to the on-body valve seat Clean parts
Air binding has occurred
Perform a bypass blowdown, or
close the trap inlet valve and allow
the trap to cool
Steam-locking has occurred
Perform a bypass blowdown, or
close the trap inlet valve and allow
the trap to cool. Piping correction
may also be required.
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 is
discharged or
leaks from the
outlet
(blowing)
(steam leakage)
Rust or scale on the disc or on the
on-body valve seat
Clean parts
Disc damage or wear
Replace with a new disc
On-body valve seat damage or wear
Replace with a new product
Improper installation orientation
Correct the installation
Trap vibration
Lengthen the inlet piping and
fasten it securely
The product operating pressure is less
than the minimum specified pressure
or the back pressure exceeds the
allowable back pressure
Compare specifications and actual
operating conditions
Steam is leaking
from a place
other than the
outlet
Gasket deterioration or damage
Replace with new gasket(s)
Improper tightening torques were used Tighten to the proper torque
NOTE: When replacing parts with new, use the parts list for reference, and replace with parts
from the Maintenance Kit, Repair Kit, etc. Please note that replacement parts are only
available as part of a replacement parts kit.
