14. Operational and pump faults
KFGS
14.2.4 Recording fault times
Fault-state counter
The amount of time that passes from issuance
is added up in hours. After acknowledgment,
this value is automatically transferred to the
fault-hours counter.
Fault-hours counter
The fault-hours counter adds up all fault-state
times occurring during the total running time
of the unit. The current counter reading can
be read in display mode in two blocks of three
digits each by calling up the parameter Fh
(see Chapter 8).
The maximum reading that can be displayed is
99 999.9 hours.
The smallest recordable interval is
0.1 hours = 6 minutes. The memory cannot
be deleted.
14.2.5 Malfunctions on KFGS pump unit
with a progressive feeder system
Block operation
Block operation is the reaction of the control
unit to the absence of signals from the piston
detector.
Possible causes:
Defective lubrication lines
Blocked progressive feeder
Defective piston detector
No signal from piston detector during
pump cycle:
Normal operation is interrupted.
Block pause begins with query to piston
detector
No signal from piston detector during block
pause:
Second lubricating cycle begins in block
operation
As soon as a signal is received from the piston
detector, block operation is aborted and the
normal lubricating cycle starts with a pause.
CS
Three pump cycles and two block pauses with-
out signal from the piston detector:
Block operation is aborted
Duration of block pause
Pause Normal operation blo
tPA block pause
0.1 h = 6 min 6 min
0.2 h = 12 min 12 min
0.3 h and longer 15 min
•
Determine and remedy cause of fault.
No signal from the piston detector, Fig.25
A total of three lubrication cycles are
performed with query to the piston
detector.
Page 99
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