Webasto Heater Service Repair Manuals
1. Air intake
2. Air blower
3. Outlet fluid pipe
4. Incandescent pin / flame sensor
5. Evaporative pad
6. Sealed connector
7. Control unit with temperature sensors
8. Heat exchanger
9. Combustion chamber
10. Exit exhaust
11. Fuel pipe
12. The circulation pump
13. Intake fluid pipe
14. Fuel metering pump
Thermo E Series Heater Lock Release
To unlock, proceed as follows.
actions:
1. Turn on the heater with a regular control. 1. Turn on the heater with a regular control.
2. Disconnect the power cable, for example by removing the appropriate
fuse.
3. Disconnect the control wire.
4. Pause for about 30 seconds.
5. Connect the power wire.
6. Connect the control wire.
ATTENTION ATTENTION
In case of repeated blocking of the heater, the equipment is subject to
Service staff trained by Webasto-Spheros.
Release lock, error code F12, for Thermo E series heaters
A- The heater is turned on - the indicator lamp shows error code 12.
B- Remove the fuse at 25A with the heater turned on.
B- Turn off the heater.
G- Insert the 25A fuse into place.
D- Turn on the heater- lock is removed.
Wiring diagram
Webasto liquid pre-heaters (liquid autonomous heaters) of the Thermo 50 series work independently of the car engine and, in combination with a standard car heating system (with liquid cooling) or as part of a separate
heating systems, are used for:
- prestarting (before starting the engine) warming up the car engine and, if necessary,
to cover the heat deficit of the car engine during its operation.
- prestarting (before starting the engine) warming up the vehicle interior,
- defrosting car windows,
Liquid heaters are connected to the cooling system (cooling circuit),
fuel system and vehicle electrical system.
Suitable fuels are those prescribed by the vehicle manufacturer.
These heaters when switching from summer to winter diesel fuel must be run on
15 min to fill pipelines and fuel pump with new fuel. Additives to fuel do not have a harmful effect on the operation of the heater.