Webasto Air Top 2000 ST Operating Instructions page 3

Operating Instructions
Air Top 2000 ST
(Control Rheostat Only)
Error code output on control rheostat
The error code is communicated by a series of flashes from the error code light in the center of the rotary knob. After a sequence
of 5 fast flashes the error code will be communicated by a series of long flashes; refer to the table below for code explanations.
Example: F 03 =
Error code Meaning
F 00 Control unit error (This error is indicated by (2) series of (5) fast flashes.
F 01 No start (after 2 starting attempts)
F 02 Flame failure (at least > 3)
F 03 Under voltage or over voltage
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
F 08 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
F 15 Set point generator short circuit
* If heater displays a code F-12, this indicates a "Lock-out mode", this can happen after three consecutive failed starts.
Heater Lock out Reset Procedure:
1.Switch the heater ON
2.Within 10 seconds disconnect power from the heater (unplug the harness, disconnect the battery, remove the fuse)
3.Wait 10 seconds
4.Switch the heater OFF
5.Reconnect power
6.Switch the heater ON.
7.Rectify the cause of the fault
IMPORTANT: Heater fault codes can be read using PC Diagnostics, however, the heater lockout reset must be manually
performed using the procedure stated above.
If you have any questions, contact our technical support team at:
(800) 860-7866 or via email at: info-us@webasto.com.
Webasto Thermo & Comfort North America, Inc. (hereinafter referred to as Webasto) warrants their heaters and heater kits against defects
in material and workmanship for two (2) years effective at the time of installation or vehicle registration date for original equipment instal-
lation (OEM). This warranty period may not exceed three (3) years from the original date of sale by Webasto. This warranty period may be
superseded by written contractual agreements.
All models are limited to 2,000 maximum operating hours.
Replacement parts are covered for six (6) months or the remainder of 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 parts in the manner provided herein. During the warranty period, the exclusive remedy will be for Webasto, at their discretion,
to repair or replace those parts which are demonstrated to be defective in material or workmanship.
While warranty is provided to the "original end-user", it is to be administered and serviced through an authorized Webasto dealer in ac-
cordance with the Webasto warranty policy or contractual agreement between Webasto and a second party.
To locate the nearest Webasto authorized dealer for warranty service:
visit http://www.techwebasto.com or call (800) 860-7866 in USA, (800) 667-8900 in Canada.
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