Trouble Shooting - EXTENDGROUP EKH-455 Operation & Maintenance Manual

TROUBLE SHOOTING

THE HOOD WON'T STAY OPEN
Torsion bar out of adjustment? Torsion bar broken ?
Solution: Replace the torsion bar
THE HOOD WON'T STAY OPEN
COMPLETELY
Solution: Tighten the special screw.
FAILURE TO CUT FILM CLEANLY
Sealing blades dirty? Seal time too low?
Solution: Check the clamps of the sealing
wire and make sure that the latter is not
broken, replace if interrupt.
Adjust according to the type of
film.
SEAL SPLITTING
Seal timer too high? Film under tension
during seal?
FAN WON'T CYCLE
Operating micro-switch out of adjustment
or broken? Toggle switch set to seal only?
motor condenser of fan motor faulty?
SEALING BLADE LEAVES SEALING BASE
Worn sealing base? Seal time too low?
Operator not detaching film before the hood
opens?
THE PACKAGING IS AWOLLEN AFTER
SHRINK-WRAPPING
The film used is not micro-perforated?
Solution: Make the film pass through the
Micro-piercing device of the machine.
ELECTRO-MAGNETS WON'T CLAMP
Magnet pole pierce pads out of
adjustment? Magnet timer set too
low/defective?
INCOMPLETE SEAL
Solution: Check sealing blades and
Teflon tape for cleanliness. Clean and
lubricant
With silicone. Check Teflon tape for
burning
And/or wear-
Replace if necessary. Check silicone rubber
in top jaw( beneath Teflon tape ).If cut or
damaged ,replace.
HEATERS NOT OPERATING
Toggle switch set to seal only?
Temperature controller
Temperature
controller /thermocouple/elements defective
MACHINE NOT –BUT NO SHRINK
Film type/grade correct?( some plastic
film do not shrink ). Shrink temperature
incorrect for this type of material? Fan
impeller
loose on motor shaft?
The mistake cue for PC board:
1.E1 detect abnormal temperature sensors showed :
Said sensor signal not access, circuit breaking
Where : check processing break, and then a good
job.
2.Show for E2, 20 minutes at 80 ° C below the
temperature to at least one year.
Reasons : use of a temperature sensor short circuit, or
from the sensor, which was less than the actual
signal.
3.For the E3 show, at 35 minutes, the temperature is
consistently below target temperature.
Reasons : heater fault or sensor from the sensor, but
the actual temperature is over 80 ° C.
set low?