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Error code output on combination timer or control element 

 

If the system is fitted with a combination timer, when an error occurs an error 

code is displayed on the timer's screen until the heater has been properly 

repaired. 
The error code is output if the heater is fitted with a control element after an 

error has occurred by the switch- on indicator/error code indicator flashing. 

After a burst of fast flashes the error code will be displayed by a se- quence of 

long flashes, the number of which is shown in the table below. 

Error code  Meaning 

F 00* Control unit error 
F 01  No start (after 2 starting attempts)  
F 02  Flame failure (at least > 3) 
F 03  Undervoltage or overvoltage  
F 04  Premature flame recognition 
F 05  Flame monitor (petrol heater) interrupt or short circuit 
F 06  Temperature sensor interrupt or temperature sensor short circuit  
F 07  Metering pump interrupt or metering pump short circuit 
F08    Fan motor interrupt or fan motor short circuit or fan motor overload 

or blocked 

F 09  Glow plug interrupt or glow plug short circuit  

F 10  Overheating 
F 11* Overheating sensor interrupt or overheating sensor short circuit  
F 12* Heater unit lock-out 
F 14  Overheating sensor installed incorrectly / defective  
F 15* Defective controller / open or short circuit 
F 16** Exhaust temperature exceeded 
F 17** Exhaust gas temperature sensor defective  
F 18** Defective controller / open or short circuit 
F 19** Plausibility of sensors incorrect (exhaust / overheat sensor) 

If serious malfunctions such as overheating or failure occur, the 
heater will go into a locked state (F 12). This state can be reset 
by using the following heater lockout reset procedure. 

*Not used on EVO 40 and EVO 55 
** Not used on AirTop 2000ST and 2000STC 

Summary of Contents for Air Top Series

Page 1: ...er is in use the product surface connected hoses ducting and air outlet s may become hot to the touch Contact with skin may cause burns 2 Webasto heaters must be switched OFF when re fueling at fillin...

Page 2: ...ir heaters is exposed to very high thermal stress and must be replaced by a genuine Webasto spare part ten years after it is used for the first time If exhaust lines pass through areas used by personn...

Page 3: ...tems at the heater 23 Do not place any items of clothing textiles or similar materials over the heater or in front of the hot air inlet and the hot air outlet 24 The heater must not be cleaned with a...

Page 4: ...cts on or against the heater before you turn it on Ventilation Option A separate switch optional allows the user to choose between heating and ventilation mode In ventilation mode the fan speed depend...

Page 5: ...the Selection button Select edit from the sub menu 3 Adjust and select day for Friday 4 Adjust and select time for 6 30AM 5 Adjust and select runtime for 60 minutes 6 Settings are saved each time the...

Page 6: ...ure Output Heater Runtime Example Air Heater Using the rotary dial and the selection button follow these steps to set your cab temperature to 70 F with a runtime of 1 hour 3 Press the Select button Us...

Page 7: ...are saved each time the selection button is pressed If the timer function will be used regularly for next day startups the ANY setting can be used in place of the day of the week With this set the ti...

Page 8: ...he Brake Input pin of the SmarTemp 3 0 connector NOTE This feature is only used in original equipment applications Enabled Heaters 3 0 Allows you to name the heater s connected to the SmarTemp through...

Page 9: ...es The indicator lights will flash red as a visual reminder The operator will have the ability to Start the 20 minute maintenance cycle or delay it via a Snooze option When Snooze is selected the PM r...

Page 10: ...during operation Heater unit overheats andindica tor flashes Switch heater unit off for at least 2 seconds and then on again Switch heater unit off for at least 2 seconds and then on again Make sure...

Page 11: ...t or short circuit F 06 Temperature sensor interrupt or temperature sensor short circuit F 07 Metering pump interrupt or metering pump short circuit F08 Fan motor interrupt or fan motor short circuit...

Page 12: ...The fuel supply is stopped if the heater overheats The heater continues to run in the same way as if it is switched off manually After the heater stops the control unit may set in fault lock out mode...

Page 13: ...the original warranty period whichever is longer The intent of the Webasto warranty is to protect the original end user of the heater from defects and provide free repair and replacement of defective...

Page 14: ...Webasto Thermo Comfort N A Inc 15083 North Road Fenton MI 48430 Technical Assistance Hotline USA 800 860 7866 Canada 800 667 8900 Org 3 2017 Rev 05 2021 P N 5012526D www webasto us www techwebasto com...

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