Lincoln Electric CLASSIC 300D KUBOTA IM843-C Operator's Manual page 27

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LIGHT CODE
LONG 1, SHORT 1 RPM IS OVER 115% OF RATED RPM (2070 RPM)
LONG 1, SHORT 2 LOW OIL PRESSURE DETECTED FOR 1 SECOND
LONG 1, SHORT 3 "L" TERMINAL IS GROUNDED ON ALTERNATOR
FOR 1 SECOND
LONG 1, SHORT 4 HIGH WATER TEMPERATURE DETECTED
LONG 1, SHORT 5 NOT ENABLED FOR LINCOLN PRODUCTS
LONG 2, SHORT 1 0 RPM IS DETECTED AND 12V IS DETECTED
FROM "L" TERMINAL ON ALTERNATOR
LONG 2, SHORT 2 CURRENT TO ACTUATOR IS OUT OF LIMIT
LONG 2, SHORT 3 NOT ENABLED FOR LINCOLN PRODUCTS
LONG 2, SHORT 4 -50C WATER TEMPERATURE DETECTED
LONG 2, SHORT 5 150C WATER TEMPERATURE DETECTED
LONG 2, SHORT 6 0 VOLTS DETECTED FROM "L" TERMINAL ON
ALTERNATOR FOR 1 SECOND
LONG 2, SHORT 7 OVER 18 VOLTS DETECTED FROM ALTERNATOR
LONG 2, SHORT 8 LESS THAN 4 VOLTS TO RPM SENSOR AND/OR
ACTUATOR SENSED BY ECU
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.
TROUBLESHOOTING
Observe all Safety Guidelines detailed throughout this manual
FAILURE DETECTED
FOR 1 SECOND
CLASSIC 300D KUBOTA
POSSIBLE CAUSE - CORRECTIVE MEASURE
ACTUATOR IS STUCK - REMOVE ACTUATOR AND VERIFY
PLUNGER PULLS IN WHEN ENERGIZED
LOW OIL - CHECK OIL LEVEL ON DIPSTICK
FAULTY OIL PRESSURE SWITCH - CHECK THAT "WK"
STUD IS OPEN WHEN ENGINE IS RUNNING
LEAD TO OIL PRESSURE SWITCH "WK" STUD MAY BE
GROUNDED - CHECK
BROKEN OR LOOSE BELT
LEAD TO "L" TERMINAL ON ALTERNATOR MAYBE
SHORTED TO GROUND- CHECK
FAULTY ALTERNATOR - CHECK
AMOUNT OR QUALITY OF COOLANT INCORRECT
- CHECK
FAULTY WATER TEMPERATURE SWITCH - 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 GOOD CONNECTION
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
CAUTION
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