Ford F-MAX User Manual page 100

OPERATION
A/C and Heater
Fault Code Read From the
Heater
39
4
3A
3B
3C
3D
40
41
47
48
4A
5A
5B
5C
5D
5E
5F
60
61
62
63
Malfunction description
Flame interruption:
"Medium 3" control stage (D 12 W)
Flame interruption:
"LOW" control stage
Water temperature increasing too quickly
Temperature sensor interruption
Temperature sensor short circuit
Flame detector interruption
Flame detector short circuit
Overheating detector interruption
Overheating detector short circuit
Sensing equipment faulty on the overheating detector, operation locked
External reset
Internal reset
ROM error
RAM error, at least one RAM cell does not operate
EEPROM error, operation data, diagnostic parameters or checksum error in the
setting values fi eld
Invalid data record checksum error
Internal temperature sensor faulty
/ ECU too hot
Internal device error
Main relay faulty
Too many resets, operation locked
Heater ignited during power stage (fl ame detected) and fl ame
• Check the fuel amount, the blower speed, the fuel supply and
Call the authorized service if the problem is not solved
Heater ignited during power stage (fl ame detected) and fl ame
• Check the fuel amount, the blower speed, the fuel supply and
Call the authorized service if the problem is not solved
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Explanations
• Corrective action
interruption signal issued.
the exhaust and the combustion air system.
interruption signal issued.
the exhaust and the combustion air system.
Call the authorized service
Call the authorized service
Call the authorized service
Call the authorized service
Call the authorized service
Call the authorized service
Call the authorized service
Call the authorized service
Call the authorized service
Call the authorized service
Call the authorized service
Call the authorized service
Call the authorized service
Call the authorized service
Call the authorized service
Call the authorized service
Call the authorized service
Call the authorized service