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DESCRIPTION
Additional Electrical Components
Contactors
Motor Starter
Relay
Power Supply
Thermocouple, In Vessel Bed
Thermocouple, Inlet / Outlet
Thermocouple, Regen Exhaust
NOTE: When inquiring about any other part always indicate the data listed on the identification plate.
7.
TROUBLESHOOTING GUIDE
The troubleshooting and the eventual checks must be performed by qualified personnel only.
The technician that services the machine must wear hearing and eye protection while servicing the dryer.
Each employee must select a proper personal protection device (PPD) hearing protector such as
earmuffs, ear canal caps or earplugs in order to prevent permanent hearing damage or loss.
SYSTEM
TROUBLE
No power
❖ Dryer stopped
Valve problem
No pilot control air
Solenoid valves
Controller
Compressor off
❖ All the inlet air is
Faulty inlet valve
Faulty signal
discharged
through the
silencers
Faulty Outlet valve
Pneumatic
High dew point
❖ Liquid comes out
Overloaded
of the silencers
No power
❖ Depressurization
Flow control valve
No pilot control air
Exhaust Silencers
DRYPOINT XFi 1000 manual_revA EN
POSSIBLE CAUSE
Order No.
1500
4040827
4034811
4034796
2
4034837
On Request
2
On Request
On Request
SUGGESTED ACTION
Check power and electric
Check the operation of inlet and purge exhaust valves
Ensure Control pilot air is delivering at 80 psi
Ensure DIN connectors are properly attached to solenoid
valves
See controller troubleshooting
Check if compressor Sync is commanding dryer off
The inlet valves are blocked – open and clean
The controller continuously supplies solenoid valve PVA
and/or PVB – check the electric wiring and if necessary
replace
Outlet Check valve(s) stuck open – serviceable only by
qualified technician
Ensure tube routing matches diagram
Ensure operation sequence and purge setting
Check capacity versus operating conditions
Check purge exhaust valve for normal operation
Ensure that the purge exhaust valve actuators is not
closed
Ensure pilot air reading is 80 psi
Replace silencer filter elements if clogged
56
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