Erme AG
Troubleshooting | 8
Table models
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8.4 Localising faults
Problem
Possible causes
Remedy
Display does not light up.
– Machine is not switched on.
– Switch on the machine.
– Controller is not switched on.
– Switch on controller.
– Circuit breaker in the power
distribution unit has tripped.
– Switch the circuit breaker back on.
– Input fuse is defective.
– Replace the input fuse (see chapter
).
The display lights up, but
the motor does not start if
the lid is closed.
– Fuses on the control PCB is
defective.
– Have the fuses replaced by customer
service.
– The motor protection switch has
tripped.
– Reactivate the motor protection switch.
Poor vacuum.
– The lid seal is worn or defective.
– Have the lid seal replaced by Customer
Service.
– Suction opening is covered by the
insertion plates.
– Insert the insertion plates correctly.
– The sealing bar is mounted
incorrectly.
– Loosen the knurled screws, move the
sealing bars in the lowest position and
retighten the knurled screws.
– Sealing rubber is loose
– Remove the sealing rubber and the base,
clean with soap, dry it well and mount it
again.
– The wrong program has been
selected or a vacuum value that is
too low is set.
– Check and correct the settings.
– Poor oil quality.
– Run the service program.
– Change the oil.
– Oil quantity is insufficient.
– Check the oil level and replenish or
replace the oil.
The vacuum bag is
overinflated.
– The vacuum bag is pinched by the
lid.
– Insert the vacuum bag so that it lies
completely in the vacuum chamber.
– The sealing bar is mounted
incorrectly.
– Loosen the knurled screws, move the
sealing bars in the lowest position and
retighten the knurled screws.
– Sealing rubber is loose
– Remove the sealing rubber and the base,
clean with soap, dry it well and mount it
again.
– The sealing pressure cylinder does
not lower.
– Clean and oil the bars.