TLV PowerDyne HR-A Série Manuel D'utilisation page 11

9. Troubleshooting
If the expected performance is unachievable after installation of the trap, read chapter 4 and
chapter 5 again and check the following points for appropriate corrective measures.
Problem
No condensate Screen is clogged with rust or scale
is discharged
Air vent ring (bimetal) is broken or worn, causing
(blocked) or
air-binding (HR80A)
discharge is
Disc holder ring is broken or worn, causing air-
poor
binding (HR80A)
Disc is sticking to valve seat (due to oil, etc.)
Steam-locking has occurred
Trap capacity is insufficient
Differential pressure is low
Steam leakage Valve closure is obstructed by scale, etc.
or blowing
Disc or valve seat is worn
(from valve
Air vent ring (bimetal) or disc holder ring is
seat)
broken, obstructing valve closure (HR80A)
Back pressure exceeds allowable value
Trap is being used below minimum operating
pressure
Disc is sticking to top of cover (due to oil, etc.)
Valve chattering Foreign matter or oil film on disc or valve seat
(Leakage)
Scratches on disc or valve seat
Disc or valve seat is worn
Bypass valve is damaged or open
Leakage from a
location other
Cover is loose or module gaskets are
than valve seat
damaged
(via discharge,
or from
product body)
NOTE: When replacing parts with new, use the parts list on page 5 for reference, and replace with
parts from the Maintenance Kit and/or Repair Kit. Please note that replacement parts are only
available as part of a replacement parts kit.
Cause
̶ 10 ̶
Remedy
Clean
Replace air vent ring
(HR80A)
Replace disc holder ring
(HR80A)
Clean
Perform a bypass blow-
down, or close the trap inlet
valve and allow the trap to
cool. Piping correction may
also be required.
Change to trap of suitable
capacity
Study inlet/outlet pressure,
including rise in outlet pipe
Clean or replace screen
Replace worn parts
Replace air vent ring or disc
holder ring (HR80A)
Use within pressure range
Use within pressure range
Clean
Clean
Replace disc or module
valve seat
Replace disc or module
valve seat
Replace or close bypass valve
Tighten cover or replace
module gaskets