172-65123MA-05 (LV Series) 23 Aug 2021
13
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.
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
The X-element is sticking to the
valve seat
Clean parts
The valve seat is clogged
Clean or replace with a new valve
seat
The screen is clogged with rust or
scale
Clean parts
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)
There is rust or scale build-up
between the X-element valve and
valve seat
Clean parts
The X-element valve and/or valve
seat are worn or damaged
Replace with a new X-element
and/or the valve seat/cover
The X-element is broken
Replace with a new X-element
Improper installation
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 were
used
Tighten to the proper torque
Replace with a new tube fitting
NOTE: When replacing with new, use the parts list for reference and replace with parts from
the repair kit, etc.
