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