Lincoln Electric LN-25 SVM114-C - Manual (Page 53)

TROUBLESHOOTING AND REPAIR F-15 F-15
LN-25™
3. Locate and remove the two solenoid leads #690
and #691 from the solenoid valve. See Figure
F.6.
4. Make sure the gas supply for the solenoid is
hooked up, and then apply 12 VDC to the gas
solenoid.
5. If the solenoid activates and allows gas flow,
then the solenoid valve is good.
NOTE: There should not be any gas flow until the
solenoid is activated.
6. If the solenoid does not activate and allow gas
to flow, then the solenoid is faulty. Replace.
7. T h e n o r m a l s o l e n o i d r e s i s t a n c e i s
approximately 20 to 27 ohms.
GAS SOLENOID VALVE AND CONTROL PC BOARD TEST
(FOR CODES ABOVE 10500 ONLY)
(continued)
FIGURE F.6. – SOLENOID LEADS.
SOLENOID LEADS
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