Troubleshooting Guide - Lincoln Electric MOBIFLEX 200-M Service Manual

MOBIFLEX 200-M
®
Observe Safety Guidelines
detailed in the beginning of this manual.
PROBLEMS
(SYMPTOMS)
Motor does not start.
Motor stops unexpectedly.
Motor hums, but no suction.
Poor suction.
Dust or smoke coming out of outlet grid.
Vibrations in the machine.
If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely,
contact the Lincoln Electric Automation Department for electrical troubleshooting assistance before you proceed. Call 1-888-935-3878.
POSSIBLE AREAS OF
MISADJUSTMENT(S)
FUNCTION PROBLEMS
1. No input power.
2. Input cord damaged.
3. Check 24VAC fuse.
1. Motor overload protection activated.
2. Check input power and cord.
1. Motor capacitor defective or not
connected.
1. Leakage.
2. Outlet grid blocked.
3. Air path in extraction arm blocked.
4. Filter blocked (check maintenance
indicator.
5. Spark arrester blocked.
6. Blower fan blocked.
7. Fan seal damaged.
1. Filter damaged or not seated correctly.
1. Imbalance in the fan.
CAUTION
F-4
TROUBLESHOOTING AND REPAIR

TROUBLESHOOTING GUIDE

RECOMMENDED
COURSE OF ACTION
1. Verify 115VAC/60Hz/1ph input power.
2. Check the integrity of the input cord.
3. Check for any loose, faulty or damaged
leads. See Wiring Diagram.
4. Perform the Motor Protection Switch
Test.
5. Perform the Transformer Test.
6. Perform the Contactor Test.
7. Perform the Motor Test.
1. Adjust motor protection switch to 10
amps.
2. Perform the Motor Protection Switch
Test.
3. Perform the Transformer Test.
4. Perform the Contactor Test.
5. Perform the Motor Test.
1. Perform the Motor Capacitor Test.
2. Perform the Motor Test.
1. Check hose connections and integrity.
2. Remove obstructions from outlet grid.
3. Remove obstructions from extraction
arm.
4. Replace filter if necessary.
5. Clean spark arrester.
6. Clean excess fume or spark spatter from
fan.
7. Check or replace sealing material of fan.
1. Replace the filter or re-seat it.
1. Clean excess dirt from fan.