7. Electronic control unit Page 38
Continuation of Table 20. Explanation of display contents of the three-digit LED display (KFAS)
Explanation of
characters
"Cycle switch" fault message
No signal from cycle switch during contact time.
"Fill level" fault message
The level in the reservoir has fallen below the minimum fill level.
Operating hour meter
The following figures indicate the operating hours of the control unit.
Two display values appear:
Display 1: The first three digits of the value.
Display 2: The last two digits and one decimal place.
0.1 – 99999.9 hours
not deletable
Fault hour meter
The following figures indicate the fault hours of the control unit.
Two display values appear:
Display 1: The first three digits of the value.
Display 2: The last two digits and one decimal place.
0.1 – 99999.9 hours
not deletable
Block mode
No signal from cycle switch. Unlike in normal mode, the control unit is
still in the monitoring sequence. A fault message is issued if the fault
remains for three contact times.
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