Carel FLSTDMFC0A, Manual

Page: 38 / 56

FLSTDMFC0A pCO² refrigeration system
cod. Carel +030221991 rel. 1.0 dated 27/07/01
32
Clock board fault or flat battery
this alarm inhibits the time bands
Warns that the values measured by the inlet probe are not possible
Check the connection and the probe itself
Inhibits compressor control
Some compressors can be forced on when this alarm is activated
Warns that the values measured by the outlet probe are not possible
Check the connection and the probe itself
Inhibits fan control
Some fans can be forced on when this alarm is activated
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There are various ways to control the switching on/off of the unit (see paragraph Machine On/Off).
One of the ways is using the On-Off button on the external keypad:
•
Unit off (OFF from keypad) pressing the ON/OFF button starts the machine (LED under ON-OFF button lights up).
•
Unit on, pressing the ON/OFF button turns the machine off, forcing the outputs to zero; the LED under the button goes off.
When using the built-in terminal, go to the main screen and press the UP button. The following screen will appear:
This screen can be used to switch the unit on or off (also see the paragraph Machine On/Off)
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To access this branch, go to the main screen, press the Menu button and then scroll the rows until the “ALARM LOG
→
” row is
selected, then press the ENTER button; the following screen will appear:
The first screen displayed is the most recent alarm activated. Pressing the UP button scrolls
the log in reverse order of time.
All the alarms are saved together with the date. The data from when the unit was restarted and when the user attempted to reset
the alarms by pressing the ALARM button can also be saved.
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