3. Troubleshooting
3.7 7658 → 7999 : Temperature, fan & motor related errors
Error 7658 : “Engine air temp short”
This error may be preceded by a warning. This error can only appear on the FLM HD series.
Situation Solution
Damaged insulation of the wire unit
of the temperature sensor (ref E
image 3-10), which measures the
temperature inside the compartment
of the light processor. When
disconnecting the wire unit (ref E
image 3-11) of the temperature
sensor from the Formatter Interface
Board the error code is changed to
7659 : “Engine air temp open”.
• Repair the insulation of the wire unit using shrink sleeve.
• If not repairable, replace the whole wire unit and temperature sensor.
Defect temperature sensor (ref E
image 3-10) of the light processor.
When disconnecting the wire
unit (ref E image 3-11) of the
temperature sensor from the
Formatter Interface Board (FIB) the
error code is changed to 7659 :
“Engine air temp open”.
Replace the temperature sensor.
Damaged socket (ref E image 3-10)
on the FIB.
Check if no pins are bent over of the socket for the wire unit of the temperature sensor
(E).
E
Image 3-10
E Engine air temperature sense.
R59770072 FLM SERIES 19/03/2007
29
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