D-1

TROUbLEShOOTING

D-1

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

SYMPTOM

PRObLEM

SOLUTION

Motor does not start.

No input power.

Verify 120VAC/60Hz, 1ph input power.

 

Input cord damaged.

Check the integrity of the input cord.

 

Loose contacts.

Check the contacts.

 

Starter/overload switch damaged or

Repair or replace the starter/overload

 

defective.

switch in the control panel.

 

Motor damaged or defective.

Repair or replace the motor.

 

 

 

 

Motorhums, but no suction.

Motor capacitor defective or not

Replace the motor capacitor.

 

connected.

 

 

 

 

 

 

Motor stops automatically.

Motor overload protection activated.

Let the machine cool down for a few

 

 

minutes.

 

Motor defective or damaged.

Repair or replace the motor.

 

 

 

 

Poor suction.

Leakage.

Check hose connections and integrity

 

Outlet grid blocked.

Remove obstructions from outlet grid.

 

Air path in arm blocked.

Remove obstructions from arm.

 

Filter blocked (check Maintenance

Replace filter.

 

Indicator).

 

 

 

Spark arrester blocked.

Clean the spark arrester.

 

Blower fan blocked.

Clean excess fume or spatter from fan.

 

Fan seal damaged.

Check or replace sealing material of fan.

 

 

 

 

Dust or smoke coming out of outlet.

Filter damaged, or not seated cor-

Replace the filter or reseat it.

 

rectly.

 

 

Vibrations in the machine.

Imbalance in the fan.

Clean excess dirt from fan.

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.

SF2400 STATIONARY FAN

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Lincoln Electric IM622 manual TROUbLEShOOTING