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9 Fault Recognition and Rectification
9.1 Basic instructions
The following tables are intended to assist in locating faults.
Error messages are classified in these categories:
■ Fault on the machine: red LED flashes - see chapter 9.2.
■ Warning: yellow LED lights- see chapter 9.3.
■ Other faults: no indication - see chapter 9.4.
The messages valid for your machine are dependent on the controller and individual equipment.
1. Do not attempt fault rectification measures other than those given in this manual!
2. In all other cases:
Have the fault rectified by an authorized KAESER service representative.
9.2 Fault messages (machine shut down)
The fault code appears in the 4th line of the display field.
A sticker with symbols on the machine explains the fault code.
Fault
code
Sign
Meaning
Remedy
1
EMERGENCY STOP push but‐
ton actuated.
➤ Unlatch the EMERGENCY STOP push
button.
2
Drive motor alarm
Overload protection compressor
motor.
➤ Check the overload relay setting.
➤ Changing the oil separator cartridge
➤ Check minimum pressure/check valve.
3
There is build-up of back pres‐
sure:
■ incorrect direction of motor
rotation
■ drive belts parted
■ compressor not venting cor‐
rectly at STANDSTILL.
■ back-pressure switch defec‐
tive
Brief interruption of power sup‐
ply.
➤ Changeover phase lines L1 and L2.
➤ Replace drive belts.
➤ Have the frequency converter checked
by an authorized KAESER service repre‐
sentative.
4
Maximum permissible airend dis‐
charge temperature exceeded.
➤ Clean the cooler.
➤ Maintain sufficient distance between the
cooling air inlet and exhaust openings
and any wall. Check the cooling oil level.
➤ Ensure that the permissible room tem‐
perature is not exceeded.
➤ Change the oil filter.
9
Fault Recognition and Rectification
9.1
Basic instructions
9_6917 34 USE
Operator Manual Screw Compressor
AIRTOWER 3C–7.5C Tri-Voltage
53
Содержание AIRTOWER 3C
Страница 2: ...Original instructions KKW SSXC 2 14 en Z1 SBA SCHRAUBEN TRI VOLTAGE AC SCB 20160524 092822...
Страница 6: ...Contents iv Operator Manual Screw Compressor AIRTOWER 3C 7 5C Tri Voltage 9_6917 34 USE...
Страница 8: ...List of Illustrations vi Operator Manual Screw Compressor AIRTOWER 3C 7 5C Tri Voltage 9_6917 34 USE...
Страница 10: ...List of Tables viii Operator Manual Screw Compressor AIRTOWER 3C 7 5C Tri Voltage 9_6917 34 USE...
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