172-65530MAJ-04 (P46/65 Series + BD2) 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 the cause
and remedy.
Problem
Cause
Remedy
No condensate is
discharged (blocked)
or discharge is poor
Module valve seat, screen or
piping are clogged with rust or
scale
Clean parts
Disc is stuck to the module valve
seat
Clean parts
Air binding has occurred
Perform a bypass blowdown, or
close the trap inlet valve and allow
the trap to cool
Air binding due to disc holder ring
or air vent ring wear
Replace with a new disc holder
ring or air vent ring
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 is
below the minimum 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
module valve seat
Clean parts
Disc or module valve seat damage
or wear
Replace with a new disc or module
valve seat
Improper installation
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 or repair kit. Please note that replacement parts are only
available as part of a replacement parts kit.
