Troubleshooting Chart for Clayton Steam Generator
Feedwater pump failing to maintain
Accumulator blowdown valve open Inspect accumulator blowdown
proper water level in accumulator
Feedwater pump not primed.
Insufficient water to feedwater
Check water supply to pump.
Ensure intake valve is open.
.Feedwater strainer clogged.
Feedwater pump check valves not
Clean and inspect check valves.
Water pump solenoid not releasing.
Remove water level electrodes and
clean off rust and dirt.
Check water pump solenoid
armature and linkage for binding.
Circulating pump failing to maintain
Low oil level in water pump causing Ensure oil is maintained at proper
proper feed volume to heating coil,
reduced pump capacity.
causing thermostat interruption.
Priming valve not operating
Clean and inspect priming valve.
Circulating pump check valves not Clean and inspect check valves.
Vapor lock of circulating pump due On installations where there are
to abrupt steam demand causing low
sudden heavy steam demands, a
pressure in accumulator.
back pressure valve should be
installed to retain a normal steam
pressure in the accumulator during
Circulating pump not primed.
Prime circulating pump.