Vulcan-Hart FB series Instrucciones de operaciones descargar pdf (Pagina 13)

TROUBLE SHOOTING (Continued)

E-36 & E-36-F MODELS

PROBLEM CORRECTIVE ACTION

The range is completely dead. Check the main disconnect switch & the supply leads.

No heat in the oven, but top surface elements

are working.

Check voltage between leads #9 & 7 on breaker terminal.

If no volt, the breaker (or breakers) is either off or defective.

If no volt, check for main supply power and connections.

If 208 volt, check voltage between #9 & 12 on the thermostat.

If 208 volt, check for bad connection in leads #9,12 & 26.

If no volt, the thermostat may be defective.

Only the bottom element of the oven not working

Check voltage between #9 & 12 on the element terminal.

If 208 volt, the element may be defective.

If no volt, check for bad connection in lead #12.

Only the top element of the oven not working. Check voltage between leads #13 & 14 (H1 & H2) terminals of the infinite switch.)

If 208 volt, check for defective element or bad connection in leads # 13 & 14.

If no volt, check voltage between terminals L1 & L2 of the same switch.

If 208 volt, the switch is defective.

If no volt, check for bad connection in leads #8 & 26.

Top round element is not working. Measure voltage between H1 &H2 terminals of the infinite switch (with switch in HI position.)

If 208 volt, check for defective element or their connecting leads.

If no volt, check the voltage between L1 & L2 terminals of the same switch.

If 208 volt, the switch is defective.

If no volt, check for bad supply connection to the L1 & L2 terminals.

The griddle element is not working. Check voltage between leads #20 & 21 (or 19).

If 208 volt, measure voltage between #21 & 28 on thermostat terminal.

If 208 volt, the thermostat is defective.

If no volt, check for bad connection to the breaker or defective breaker.

The circuit breaker trips as soon as the power is

turned on.

The immediate tripping of the circuit breaker is an indication of a short circuit (either to ground or

between the two phases.)

With the power OFF, check the resistance between each phase & the chassis and between the

phases with an ohmmeter (or continuity tester.)

The circuit breaker trips after the range is

operating for at least a few minutes.

The slow tripping of the circuit breaker is an indication of overload in the particular circuit. The

cause of overload can be due to:

a. Wrong use of element e.g. using a 208 volt element in a 240 volt circuit would increase the

current by 1.15 times. Check the voltage rating stamped on the element

b. partially defective element; measure the amp in the suspicious element and compare with the

expected value which can be easily calculated by dividing the watt rating of the element (see

the wiring diagram) over the supply voltage e.g., for a 208 volt french plate the amp reading

would be: 2000 watt = 9.6 amps

208 volt

c. Partially defective breaker; measure the current (amps) going through the suspicious

breaker with all elements turned fully on. If the reading does not exceed 50 amps and the

breaker trips, replace the breaker.

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Vulcan-Hart FB series Instrucciones de operaciones Pagina 13

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