Lincoln Electric Prism 4 Operator's Manual page 40

PRISM® 4
Observe all Safety Guidelines detailed throughout this manual
PROBLEMS
(SYMPTOMS)
White Power On light does
not light up.
Cleaning cycle is not
functioning.
Cleaning valve fails to open.
Cleaning valve fails to close. 1. The pulsation cycle may be faulty.
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Lincoln Authorized Service Facility for technical troubleshooting assistance before you proceed.
WWW.LINCOLNELECTRIC.COM/LOCATOR
Observe all Safety Guidelines detailed throughout this manual
POSSIBLE
CAUSE
FUNCTION PROBLEMS
1. Main Switch is in off position
2. No power supply
3. Fuse(s) defective
1. Possible bad connection between
control box and junction box.
2. Possible bad electrical connection.
3. Possibly no or low compressed air.
1. The pulsation cycle may be faulty.
2. Possible dirt in the housing of the
valve.
3. Possible incorrect ow direction on
the cleaning valves.
4. Possible incorrect control voltage for
the magnetic valves.
2.Possible dirt in the housing of the
valve.
3. Possible incorrect control voltage for
the magnetic valves.
RECOMMENDED
COURSE OF ACTION
Turn on main switch
1.Check power supply.
2.Check for normal component operation.
3.Are green power lights illuminated on PLCs and components? If
not, replace.
4.If any components replaced were Smartwire, the green LED will be
ashing and the "Learn" process has to be done before the
component(s) are recognized, and the unit will operate
1. Verify that the Fan running LED (Green) and the white power on
light is illuminated. A green LED comes on on the Eaton 4DD I/O pack
when the output comes on, a ash should be seen as the valve is
pulsed on to create the air blast during an active cleaning cycle.
2. Verify the correct input voltage is being applied.
3. Verify that all fuses and circuit breakers are not blown/tripped.
4. Verify that the LED's on the Eaton Smartwire I/O pack are
illuminated, on solid green is good, ashing means the IO pack has
power but is not recognized by the system. Find the "learn"
smartwire function reference in the manual. During a cleaning an
output LED ashes on for the I/O pack, it sends a 24VDC pulse to the
air valve. Check the cable connection from the valve to the I/O pack,
to con rm a working valve or I/O port swap cables on outputs.
5. Verify compressed air is present and with adequate pressure.
1. Verify that the pulsation cycle is OK, that it's within the parameters
recommended by Lincoln Electric.
2. Clean the housing of the valve.
3. Verify that the air ow directions on the cleaning valves are in
accordance with the air ow.
4. Verify that the cleaning system is working properly - 87 PSI (6
BAR)
5. Verify that control voltage for the magnetic valve is 24V DC and
connected at the Eaton SWD4-SFL8-12 at to round cable converter
at terminals X2-24V and X2-0V. This power is what goes out to the
4DD IO packs to activate the valves..
1. Verify that the pulsation cycle is OK, that it's within the parameters
recommended by Lincoln Electric.
2. Clean the housing of the valve.
3. Verify that the cleaning system is working properly - 87 PSI (6
BAR)
4. Verify that control voltage for the magnetic valve is 0 Volts.
E-2
TROUBLESHOOTING