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CLAAS MetaDiag 2007 Update 2016 is a crucial software tool for diagnosing issues in CLAAS agricultural machinery. It enhances efficiency and supports maintenance activities through advanced features and user-friendly design. This update includes improvements in diagnostic capabilities, compatibility, and installation processes. Designed for easy use, it is vital for technicians managing heavy machinery and trucks, ensuring optimal performance and reduced downtime.
CLAAS MetaDiag 2007 Update 2016
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Detroit DD16 EPA10 (2010-13) Fault Code: SPN 1639 FMI 2 (MCM) Fan Speed Error

DESCRIPTION:
This code sets when a fan speed deviation is detected.

MONITORED PARAMETER:
Fan speed sensor.

TYPICAL ENABLING CONDITIONS:
Always enabled

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Always enabled

TYPICAL DURATION:
Two seconds

DASH LAMPS:
CEL

ENGINE REACTION:
None

VERIFICATION:
Engine running with fan engaged.

NOTE: If 1071-5 or 647-5 active, repair the wiring between pin 91 (from the 120 pin ECM connector) and the fan and the jake brake solenoids.

PROBABLE CAUSES:
1. Coolant loss.
2. Thermostat failure.
3. Blockage in radiator and charge air cooler.
4. Fan belt condition.
5. Proper location of fan shroud.
6. Proper radiator hose condition.
7. Fan failure.
8. Short between fan speed sensor and ECM.
9. Fan drive failure.

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