F-MAX-USER MANUAL-FULL BOOK-ENGLISH

OPERATION

A/C and Heater

Explanations • Corrective action

Fault Code Read From the Heater

Malfunction description

Blower motor does not rotate or short circuit after 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). Blower motor, output (+) - short circuit after UB (battery voltage)

21

Call the authorized service

4

22 2F 30 31 32 33

Call the authorized service Call the authorized service Call the authorized service Call the authorized service Call the authorized service Call the authorized service

Metering pump - short-circuit or overload

Metering pump - interruption

Metering pump output (+) - short circuit after UB (battery voltage) Too many failed operation attempts (operation locked)

Flame detected during operation

No flame 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 (flame detected) and flame interruption signal issued. • 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 (flame detected) and flame interruption signal issued. • 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 (flame detected) and flame interruption signal issued. • Check the exhaust and combustion air system. * Check the fuel supply / fuel amount Call the authorized service if the problem is not solved

34

Safety time exceeded

35

Flame interruption during “POWER” control

36

Flame interruption during “HIGH” control stage

37

Flame interruption during “MEDIUM” control stage

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