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8.0 POSSIBILIBIES OF FAILURE
1 When pushing the pressure switch the compressor does not run:
*
blown fuse
- renew the fuse
*
tank at pressure
*
motor broken
- repair/renew
*
thermal failure
- reset thermal relay (see point 2)
*
defective pressure switch
- repair/renew
-
blown control current fuse
- renew fuse
-
defective star-delta switch
- consult repair service
2 Repeating thermal failure:
*
blown fuse
- renew fuse
*
loose wire
- repair
*
pressure switch does not releave
- repair/renew valve
air circuit
*
too low voltage
- remove extension cable or use heavier
-
defective electric valve
- repair/renew
* overloading
- reduce loading
3 Compressor keeps blowing off air:
*
defective non-return valve
- repair/renew
4 Too little air production:
*
dirty air filter
- clean/renew filter
*
V-belt too loose
- tighten V-belt
*
defective valves
- renew
5 Leaking safety valve:
*
pressure too high
- set pressure switch
*
defective safety valve
- renew
* general failures
- failures only with types with star-delta switch
