F-MAX-USER MANUAL-FULL BOOK-ENGLISH

OPERATION

A/C and Heater

Explanations • Corrective action

Fault Code Read From the Heater

Malfunction description

Flame interruption 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 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

38

Flame interruption during “LOW” control stage

4

Flame interruption during operation stage (Displayed in heaters with a “H-Kit” label on name plate only.)

39

3C 3D 3E

External temperature sensor - interruption External temperature sensor - short circuit

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

Control unit interruption Control unit short circuit

Fault detection works at heating mode only. On the other hand, if the short circuit already happened and then the heater is turned on, “Ventilation” shall be activated (this is not an error code).

3F

Call the authorized service

40 41 47 48 4A 5A 5B 5C 5D 5E 5F 60

Flame detection - interruption Flame detector - short circuit Overheating detector - interruption Overheating detector - short circuit Control box faulty (internal error) External interference voltage Control box faulty (ROM error) Control box faulty

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

Control box faulty

Control box faulty (EEPROM error)

Control box faulty

Internal temperature sensor faulty

61

Control box faulty Control box faulty

62 63

Too many successive resets Transistor error in the control box

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