Webasto Dual Top Evo 6 Operating Instructions Manual page 20

Troubleshooting
Fault message output on control panel
Number of Meaning
RED flashing
pulses
00 No communication between control panel and heater, or
control panel error
01 No start (after 2 attempts to start)
02 Flame failure
Restart not successful
03 Under voltage or over voltage
04 Fuel pump disconnection/short circuit/overheating
05 Hot air motor fault: disconnection/short circuit/fan speed
out of range/fan blocked
06 Overheating or exceeding gradient water temperature
sensor
07 Overheating or exceeding gradient hot air temperature
sensor
08 Overheating of heaters' control unit
09 Combustion air motor fault: disconnection/short circuit/
overload/blocked
10 Control unit fault/heater locked
11 Interior temperature sensor disconnection or short circuit
12 Hot air temperature sensor disconnection/short circuit
13 Water temperature sensor disconnection/short circuit
14 Glow plug/flame detector disconnection/short circuit
20
Remedy
First, remove fuses 15 A (red cable) and 5 A. Then put in fuse 15A (red cable), followed by fuse 5 A.
Check connections of control panel.
Check fuse 15 A (red cable).
Check wiring harness.
Contact a Webasto Service Centre.
Check fuel supply (enough fuel, at least 8 ltr.; check fuel connection and tubes), reset heater (by
switching off for at least 30 sec.)
See fault message 01
Charge battery or connect to another power source (12 V DC),
reset heater (by switching off for at least 5 sec.)
Check fuel pump cable and connectors, check for overheating (see faults 06 and 07), reset heater (by
switching off for at least 5 sec.)
Ensure that hot air fan can rotate freely, remove possible blocking
objects, reset heater (by switching off for at least 5 sec.)
Check water level, reset heater (by switching off for at least 5 sec.) or select winter mode, heating
without hot water production
Ensure that hot air can flow freely, air intake and outlets are not blocked.
Reset heater (by switching off for at least 5 sec.)
Ensure that cooling air can flow freely,
reset heater (by switching off for at least 5 sec.)
Ensure that cooling fan can freely rotate, remove possible blocking objects.
Check fuse 15 A (red cable).
Put heater back into service (see beginning of paragraph) and restart heater.
Contact a Webasto Service Centre.
Check routing of cable, avoid that it is pinched or crushed, check the connector behind the control
panel.
Reset heater (by switching off for at least 5 sec.)
Reset heater (by switching off for at least 5 sec.)
Contact a Webasto Service Centre.
See fault message 12
See fault message 12
Dual Top Evo 6