EKOM DK50 2V/50/M, User Manual

Page: 74 / 220

TROUBLESHOOTING
NP-DK50 2V 50, 2x2V 110-AD-A-1_03-2022 74 03/2022
Dryer failure Replace dryer
Prolonged
operation of the
compressor
Air leakage in pneumatic system
Check pneumatic system
– seal
loose connection
Worn piston ring Replace worn piston ring
Dirty inlet filter Replace dirty filter with new filter
Incorrect function of solenoid valve Repair or replace fan or coil
Compressor is
noisy (knocking,
metal noises)
Damaged piston bearing, piston
rods, motor bearing
Replace damaged bearing
Loose (cracked) dampening
element (spring)
Replace damaged spring
Dryer does not dry
(condensed water
in the air) *
Defective cooler fan
Replace fan
Check power source
Damaged dryer Replace dryer
Defective automatic condensate
drain
Clean / replace
Degraded drying
performance
–
high-pressure dew
point
(condensed water
in the air)
Low operating pressure
Reduce the demand for air, check
the output from the compressed air
source, fix any leaks in the
distribution system
Regeneration solenoid valve not
working
Check coil operation, replace if
damaged
Inspect the condition of the valve
–
clean the valve or replace if
problems persist
Air regeneration nozzle plugged
Clean or replace the nozzle
(see product maintenance)
Cooling fan not working
Check the power source to the fan
Replace damaged fan
Dirty cooler
Inspect the cooler and clean as
necessary
Silencer plugged at outlet from
regeneration valve
Inspect the silencers. Clean or
replace the silencer if flow
resistance is too high or if heavily
soiled.
Dryer emitting high
levels of noise
Damaged fan Replace damaged fan
Damaged silencer Replace the silencer
Air leaking through relief valve at
dryer inlet
Check the dryer connection to the
mains and dryer connections, check
the dryer operation, check the
dryer’s working pressure, and
replace defective components.
Air leaking through
relief valve at dryer
inlet
High working pressure from air
source Check the pressure setting on the
compressed air source
Dryer inlet solenoid valve not
working
Check the coil operation, replace if
damaged
Inspect the condition of the valve
–
clean the valve or replace if
problems persist
High pressure in equipment
resulting from plugged filters
Check the internal filters and
accessory filter assemblies.
Clean or replace dirty filters.
)* Clean inside surfaces of the air tank thoroughly and remove all condensed liquid after dryer
failure.