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