Instruction book
a Increase pressure difference
b Check valve leaks
b See 5a
7 High oil consumption on LE/LT compressors
a Oil level too high
a Do not overfill crankcase. Keep level in red circle of sight-glass
b Piston ring(s) worn or broken
b Have condition of piston rings checked
8 Unit does not start
a Electrical failure
a Have electrical system checked. Check fuses and line terminals for tightness
b Overload relay cut out
b Reset overload relay. If the relay cuts out again after starting, see point 9
c Air pressure above pre-set starting pressure
c Compressor will start when air pressure is lower than pre-set starting pressure of air pressure
switch
9 Overload relay cuts out
a Overload relay incorrectly set
a Check and adjust. Reset relay
b Solenoid valve out of order
b See 1g
c Unloader plunger jammed
c See 1f
d Blow-off silencer choked
d See 2d
e Ambient temperature too high
e Improve ventilation of room
f Motor stops and starts too frequently
f See 6
g Overcurrent due to motor or compressor failure
g Consult Atlas Copco
Footnote chapter 6
1) If provided.
2920 1585 00 - 63 -
To Next Page
Loading...
Need help?
General
