KaVo K4, Руководство по эксплуатации

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K4 Table top controller 4954
9
C • Motor speed too high for longer than
2 sec, possibly one phase of the motor is
interrupted or motor electronics are faulty
R • Repair fault
C • Speed preselection potentiometer dis-
connection (open circuit)
R • Repair fault
C • No foot switch connected (possibly open
circuit)
R • Connect foot switch and check function
C • Foot switch at start when mains switched
on
R • Release foot switch (stop)
C • Short-circuit in direct-current chopper
(transistor)
R • Repair motor electronics
C • Direct-current chopper or measuring
device U_wr, I_wr faulty
R • Repair motor electronics
C • Inverter faulty (automatic test on swit-
ching on)
R • Repair motor electronics
C • Brake device faulty (automatic test on
switching on)
R • Repair motor electronics
C • Warning - Data loss in EEPROM memory
R
• Start motor, if necessary send to EWL
for checking and recalibration
C • Program memory (ROM) faulty (auto-
matic test on switching on)
R • Send to EWL for checking and soldering
in new processor
F = Fault C = Cause R = Rectification
F • flash 20 times
F
• flash 19 times
F • flash 16 times
F
• flash 15 times
F • flash 14 times
F
• flash 13 times
F • flash 12 times
F
• flash 11 times
F • flash 9 times
F • flash 6 times
GB
OPERATING INSTRUCTIONS
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