Marathon Electric Pancake Spécifications télécharger pdf (Page 7)

Will not hold voltage - Loss

of residual magnetism

Unit has been stored.

Rotor shorting out when unit gets

hot.

Pinched leads.

Defective Capacitor.

Defective Diodes

Defective Surge Suppressor.

Flash Rotor (see SERVICE section).

Check rotor windings for broken or

burned wires.

Examine all lead wires and correct.

Replace.

Full voltage at no load

Voltage drops at full load

Loose or broken lead wires.

Rotor opened or shorted.

Stator ground or shorted.

Check lead wires and connections for

broken wires and loose connections.

Compare connections with the wiring

diagram supplied with generator.

Measure resistance between leads.

Consult Factory.

Low Voltage

Loss of residual magnetism.

Low engine speed.

Faulty diode.

Flash Rotor (see SERVICE section).

Check engine speed and generator

ratings. 1800 rpm/60 Hz

Replace diode.

Voltage too high

Fast engine speed. Check engine speed and generator

ratings. 1800 rpm/60 Hz

Uncontrollable voltage

Incorrect engine adjustment. Check engine operation, speed, fuel

lines & injector.

No voltage at no-load or full-load

Faulty suppressor. Disconnect from circuit. If there is an

obvious increase in voltage, replace

the suppressor.

Voltage spikes

appearing in sine wave

Incorrect engine adjustment, fuel

line, or poor gas.

Loose connection.

Bad ground connection.

Load induced.

Change fuel filter and check engine

speed.

Inspect all connections.

Inspect all ground connections.

Filter load.

TROUBLE SHOOTING

Visual Examination

Inspect the generator visually. Look for obvious damage

such as: Charred windings, pinched wires, cracked

insulation, loose terminal lugs, etc. All connections should

be fastened securely. Check the operating speed and see

that the unit has been reassembled and reconnected

correctly.

SYMPTOM CAUSE SOLUTION

CONNECTION DIAGRAMS

1 2 3 4 5 6 7 8

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Marathon Electric Pancake Spécifications Page 7

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