Ford F-MAX User Manual page 96

OPERATION
A/C and Heater
Fault Code Read
From the Heater
21
4
22 Blower motor, output (+) - short circuit aft er UB (battery voltage)
2F
30
31 Metering pump output (+) - short circuit aft er UB (battery voltage)
32
33
34
35
36
37
Malfunction description
Blower motor does not rotate or short circuit aft er negative
Please note!
Provide compliance with the test voltage
Part is destroyed if the voltage value is exceeded.
Make sure that the power supply has adequate short circuit
resistance (20 A minimum).
Metering pump - short-circuit or overload
Metering pump - interruption
Too many failed operation attempts (operation locked)
Flame detected during operation
Safety time exceeded
Flame interruption during "POWER" control
Flame interruption during "HIGH" control stage
Flame interruption during "MEDIUM" control stage
No fl ame detected during operation cycle.
• Check the exhaust and combustion air system.
* Check the fuel supply / fuel amount
Call the authorized service if the problem is not solved
Heater ignited during power stage (fl ame detected) and fl ame
• Check the exhaust and combustion air system.
* Check the fuel supply / fuel amount
Call the authorized service if the problem is not solved
Heater ignited during power stage (fl ame detected) and fl ame
• Check the exhaust and combustion air system.
* Check the fuel supply / fuel amount
Call the authorized service if the problem is not solved
Heater ignited during power stage (fl ame detected) and fl ame
• Check the exhaust and combustion air system.
* Check the fuel supply / fuel amount
Call the authorized service if the problem is not solved
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Explanations
• Corrective action
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
interruption signal issued.
interruption signal issued.
interruption signal issued.