Problem & answerF-01
Low Vacuum / Vacuum Low Alarm
Likely causes
- Vacuum filter blocked
- Vacuum leak; loose or cracked hose
- Vacuum pump worn or failed
- Vacuum valve blocked or failed
How to fix it
- 1Check the vacuum gauge against the machine specification.
- 2Clean or replace the vacuum filter (see F-03).
- 3Inspect all hoses and tighten loose fittings; replace damaged hoses.
- 4Inspect and service the vacuum pump.
- 5Restart and confirm the alarm clears.
It is fixed when
Vacuum returns to specification (typically 0.06–0.08 MPa; see Appendix A).
Stop it coming back
- Inspect the vacuum system before every batch.
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