Lincoln Electric Classic 300 MP Service Manual page 32

LINCOLN ELECTRIC
NOT ENABLED FOR LINCOLN
LONG 1, SHORT 5
PRODUCTS.
0 RPM IS DETECTED AND 12V IS
LONG 2, SHORT 1 DETECTED FROM "L" TERMINAL ON
ALTERNATOR.
CURRENT TO ACTUATOR IS OUT OF
LONG 2, SHORT 2
LIMIT.
LONG 2, SHORT 3 NOT ENABLED FOR LINCOLN PARTS.
-50°C WATER TEMPERATURE
LONG 2, SHORT 4
DETECTED.
150°C WATER TEMPERATURE
LONG 2, SHORT 5
DETECTED.
0 VOLTS DETECTED FROM "L"
LONG 2, SHORT 6 TERMINAL ON ALTERNATOR FOR 1
SECOND.
OVER 18 VOLTS DETECTED FROM
LONG 2, SHORT 7
ALTERNATOR.
LESS THAN 4 VOLTS TO RPM SENSOR
LONG 2, SHORT 8
AND/OR ACTUATOR SENSED BY ECU.
Classic® 300 MP Service Manual
CHECK THAT "WK" STUD IS OPEN WHEN
ENGINE IS NOT RUNNING.
LEAD TO WATER TEMPERATURE SWITCH MAY
BE GROUNDED – CHECK.
FAULTY RPM SENSOR – CHECK FOR 12 VOLTS
ON SUPPLY LEAD TO RPM SENSOR FROM ECU.
FAULTY ECU – CHECK FOR 12 VOLTS ON SUPPLY
LEAD TO RPM SENSOR FROM ECU.
FAULTY ACTUATOR – CHECK FOR PROPER COIL
RESISTANCE.
LEADS TO ACTUATOR MAY BE OPEN OR
GROUNDED – CHECK.
FAULTY WATER TEMPERATURE SENSOR –
CHECK FOR PROPER RESISTANCE.
LEAD TO WATER TEMPERATURE SENSOR MAY
BE OPEN – CHECK FOR CONTINUITY.
FAULTY WATER TEMPERATURE SENSOR –
CHECK FOR PROPER RESISTANCE.
LEAD TO WATER TEMPERATURE SENSOR MAY
BE GROUNDED – CHECK.
LEAD TO "L" TERMINAL ON ALTERNATOR MAY
BE OPEN – CHECK FOR CONTINUITY.
BROKEN OR LOOSE BELT – INSPECT.
FAULTY ALTERNATOR – CHECK.
INCORRECT BATTERY – INSPECT.
FAULTY ALTERNATOR – CHECK.
FAULTY ECU – CHECK FOR 12 VOLTS ON LEADS
TO RPM SENSOR AND ACTUATOR FROM ECU.
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