vc999 K7, Operating Manual, Page: 75 / 121

Vacuum Packaging Machine VC999 K7
Error display and troubleshooting
2008-11-26
Art.-No. 592.016 Page 75/121
No Alarm messages Cause Remedy
23 PLC battery voltage too low This message appears if the charge
state of the PLC buffer battery is too
low. The battery should be replaced as
quickly as possible, and be re-
moved and installed within 20
seconds. If necessary, contact the
VC999 Customer Service Depart-
ment!
Temperature control device may be
switched off Make sure the temperature control
device is switched on
El. supply of the temperature control
device may be interrupted Check el. supply of the tempera-
ture control device
24 Set temperature sealing bars
not reached
Calibrate sealing bars
25 Temperature monitoring of
pumps has triggered
Overheating of the vacuum pump Allow pump to cool down.
Carry out possible pump service
Input value of the set temperature is
less than the actual temperature Check the input value of the set
temperature 26 Actual temp. sealing bars is
higher than set point
Error in the temperature control circuit Carry out calibration
Incorrect thermal relay setting Check thermal relay setting 27 El. supply of the rotary blade
interrupted
Rotary blade motor overheated Allow motor to cool down
Mechanical movements hindered Check mechanical movement
Limit switch defective
Replace limit switch
28 Machine is not in initial posi-
tion
El. supply line to the limit switch or
valve defective Consult VC999 Customer Service
Department
29 Cooling temperature not
reached
Error in the temperature control circuit
Re-calibrate
Burn-in sealing bars
Check input value Change input value 30 Ventilation set point not
reached
Air flow interrupted Check for soiling
Conveyor belt motor drive overheated Check thermal relay setting
Conveyor belt motor drive defective
Consult VC999 Customer Service
Department
Motor drive overheated Allow motor drive to cool down
31 Temp. monitoring motor con-
veyor belt has triggered
Conveyor belt tension too high Correct belt tension
32 Communication PLC - fre-
quency converter faulty
El. connection PLC – FC incorrect
Check el. supply of FC
Check bus CPU – FC
Incorrect calibration Calibrate vacuum system
Clean or replace vacuum sesnor
33 Measuring system: vacuum
value faulty
Vacuum sensor defective or soiled
Check el. supply of vacuum sensor
34 Error reset safety module
Emergency Stop
EMERGENCY STOP active
At least 1 EMERGENCY STOP circuit
interrupted Release EMERGENCY STOP
35 Emergency Stop circuit is
interrupted
EMERGENCY STOP active
At least 1 EMERGENCY STOP circuit
interrupted Release EMERGENCY STOP
Consult VC999 Customer Service
Department 36 Safety monitoring sealing
system is defective
Safety contactor sealing system defec-
tive
Replace contactor
37 Vacuum system cannot be
calibrated
Vacuum sensor defective or soiled Clean or replace vacuum sesnor
Check el. supply 38 Intermediate ventilation can-
not be carried out
Ventilation valve does not open
Check valve for soiling