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CEBORA S.p.A.
3.4 - Error codes.
3.4.1 - Yellow led (B) lit steadily.
Alarm for temperature above limits.
The thermostat is located on the dissipater of the power mosfets of the power board (11).
The power source delivers no current, but the fan remains in operation; we therefore
recommend leaving the power source powered in case of alarm for overtemperature.
Check the temperature of the power module dissipaters on the power board (11), and wait for
them to cool completely if necessary. If the alarm persists, replace power board (11). If the alarm
is reset, check the efficiency of ventilation, make sure the ambient temperature is not too high,
and that the working cycle is not greater than the one specified.
3.4.2 - Yellow led (B) flashing (4 rapid flashes with interval of 5" of steady light).
Alarm for high supply voltage, greater than approximately 260 Vac, at the start-up.
The power source delivers no current.
Proper operation returns when the voltage falls below 260 Vac.
This system also protects the power source against accidental power supply at 400 Vac. In
this condition the electronic circuits are protected, but the fan subjected to the mains voltage may
be damaged in just a few seconds.
3.4.3 - Yellow led (B) flashing (2 rapid flashes with interval of 2" of steady light).
Alarm for excessive supply voltage of the internal driver circuits. Generally, something has
occurred which may damage the power source if the activity continues.
To restore operation, shut off the power source, wait for the capacitors inside to discharge
completely (4 minutes), and restart the power source at the rated voltage. If the alarm persists,
the power board (11) may be faulty, and it is therefore recommended to replace it.
3.4.4 - Yellow led (B) flashing (1 rapid flash with interval of 2" of steady light).
Alarm for low supply voltage, below approximately 160 Vac, both at start-up and while
operating.
The power source delivers no current.
Proper operation returns when the voltage rises above approximately 160 Vac, remaining at
reduced performance levels until the voltage reaches values close to the rated value.
3.4.5 - Yellow led (B) off during the first 5 seconds upon start-up (no lamp-test).
Alarm for low supply voltage, less than approximately 150 Vac, at start-up.
The power source delivers no current, even though the signals are the same as for normal
operation after the lamp-test.
Proper operation returns when the voltage rises above approximately 160 Vac, remaining at
reduced performance levels until the voltage reaches values close to the rated value.
3.302.113
14
20/11/02
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