Led - Indel Webasto Marine Compact Classic Instructions Pour L'installation Et L'utilisation

8.3 LED

A 10 mA LED connected as per the electronic diagram can be used al in order to
report errors in the electronic unit: the LED flashes a number of times equal to the
error code. Each flash lasts 1/4 of a second. A series of flashes is followed by a period
of shut-down, at the end of which the signalling cycle re-starts and repeats every 4
seconds.
It is possible to determine the type of error in the electronic unit based on the
number of flashes, as shown in the table.
Table 7: Type of electronic unit error based on the number of LED unit flashes
# of flashes
6
5 If the cooling system is overloaded or the environmental tempera-
4
3 The rotor is blocked or excessive differential pressure is present in
2
1
82
If the NTC thermistor is in short circuit or disconnected
Thermal deactivation by the electronic unit
ture is too high, the electronic unit overheats
If the cooling system is overloaded, the motor cannot maintain
minimum rotation speed around 1850 rpm
the cooling system (> 5 bar)
Deactivation due to fan overcurrent
The fan loads the electronic unit with a current exceeding 0.5 A
Deactivation due to battery protection
Power voltage is outside the permissible range
Type of error
Thermostat malfunction
Minimum rotation speed
Motor start-up
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