172-65419MA-05 (FJ32D-B+BD2) 1 Oct 2021
16
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
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 orifice opening, screen or piping are
clogged with rust and scale
Clean parts
The bimetal is scratched or damaged
Replace with a new bimetal
The trap operating pressure exceeds the
maximum specified pressure or there is
insufficient pressure differential between
the trap 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 orifice
The float is misshapen or has surface
build-up
Clean or replace with a new
float
The installation is not correct
Correct the installation
The bimetal air vent valve surface and/or
the air vent valve seat are scratched or
have surface build-up
Clean or replace with a new
bimetal
/ air vent valve seat
The bimetal is damaged
Replace with a new bimetal
Trap vibration
Lengthen the inlet piping and
fasten it securely
Steam is leaking
from a place other
than the outlet
There is gasket deterioration or damage
Replace with a new gasket
Improper tightening torques were used
Tighten to the proper torque
Float frequently
becomes damaged
Water hammer has occurred
Study and correct the piping
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.
