Troubleshooting
4 Troubleshooting
When a malfunction occurs, the TURBOVAC is braked
and the failure is indicated; see following table.
The red LED FAILURE lights permanently and one green
LED within the chain flashes.
When the pump is at a complete standstill, and after you
have eliminated the cause of the failure, you can reset
the malfunction signal with the STOP command (key or
remote control).
Warning
Before you open the TURBOTRONIK,
please first ensure that the TURBOVAC has
been braked to a complete standstill, and
that the mains power cord is disconnected.
Since, nonetheless dangerous voltages
may occur the unit must only be opened by
a qualified electrician.
21
GA 05.218/3.02 - 11/97
LED flashes Symptom Probable Cause Recommended Corrective Action
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No. 1 Linecord fault. Motor connection line incorrectly connected. Check the motor connection line and connect it
(below) correctly.
Motor connection line malfunctioning. Replace the motor connection line.
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No. 2 TURBOVAC is not TURBOTRONIK and TURBOVAC incompatible. Check the system.
supported by the Loose contact in connection line. Repair the connection lines.
TURBOTRONIK.
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No. 3 Not used
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No. 4 Speed below minimum or Forevacuum pressure >10
-2
mbar. Check the forevacuum.
has not been attained Pump blocked. Inform the Leybold after-sales service.
during acceleration within High-vacuum pressure too high. Check the vacuum chamber.
8 minutes.
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No. 5 Temperature in the Frequent switching between acceleration and Let the TURBOTRONIK cool down.
TURBOTRONIK too high. braking.
Ambient temperature too high. Ensure an adequate ventilation.
Forevacuum pressure >10
-2
mbar. Operate the pump under normal load only.
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No. 6 Temperature in the Frequent switching between acceleration and Let the pump cool down and operate under
TURBOVAC too high. braking. normal load only.
Poor cooling or cooling line interrupted. Check the cooling.
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No. 7 Self test. Mains malfunction. Switch the mains off and then again on.
EPROM malfunctioning. Inform the Leybold after-sales service.
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No. 8 Bearing malfunctioning. Venting curve not observed. Check the system.
Pump incorrectly adjusted. Control the bearings.
Pump or pump system vibration. Set up the pump system more quietly.
Excess temperature in the TURBOTRONIK. Operate the pump under normal load only.
Touch-down bearings worn. Inform the Leybold after-sales service.
RF interference. Ground the TURBOTRONIK, locate the AC
power cord in a separate bundle from the RF
source, change the location of the TURBO-
TRONIK, if needed.
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No. 9 Not used.
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