Shut-Down Warning - Quincy Compressor QED-300 Instruction Book

3.12 Shut-down warning

Description
A shutdown warning will appear in the event of:
• A too low or too high dew point temperature
• A too high ambient temperature
• A drain fault
The dryer remains running. Alarm LED (5) is lit. The alarm disappears automatically when the abnormal
condition ends.
Dew point temperature warning
If the dew point temperature is lower than the programmed value (default value -0.1 °C (31.8 °F), see section
Calling up/modifying low dew point
flexible alarm and fixed
flashing.
In the example shown, the dew point is 20 °C (68 °F) and the dew point icon is flashing.
If the dew point becomes normal again, the alarm will disappear.
High ambient temperature alarm
If the ambient temperature is higher than the programmed value (default value 50 °C (122 °F), see section
Calling up/modifying high ambient temperature
°F), alarm LED (5) will light up and the related pictograph (ambient temperature) starts flashing.
In the example shown, the dew point is 30 °C (86 °F) and the ambient temperature icon is flashing. See section
Calling up ambient temperature
If the ambient temperature drops again below the programmed value, the alarm will disappear.
26
setting) or if it exceeds the warning level (see section
alarm), alarm LED (5) will light up and the related pictograph (dew point) starts
Main screen with dew point temperature warning
setting) during at least 25 seconds, but still below 60 °C (140
Main screen with ambient temperature warning
to check the temperature.
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