Henkel Loctite 135550, Operating Manual

Page: 16 / 40

16
7 Troubleshooting
Malfunction/Fault signal Possible Cause Corrective Action
The digital display does
not light.
– No power voltage present.
– Power switch
7 in position O (OFF).
– Power fuse
12 is defect.
– Power cord
13 is defect.
– Control unit is defect.
● Check the power voltage.
● Switch power switch 7 to position I
(ON).
● Check/replace fuse 12.
● Replace power cord 13.
● Henkel Service.
No change in the value on
the digital display
– No air pressure present.
– Product reservoir not switched on or
defect.
– Control unit is defect.
● Check pneumatic supply.
● Check product reservoir (see
operating manual for product
reservoir).
● Henkel Service
The error message (with
beeping) blinks in the
digital display:
Press.
=Dispensing pressure
0.83 [bar/psi]
=Example for the
indication of dispensing
pressure.
NOK
= Not O.K
– The unit was switched off and the
pressure regulator 8 in now
adjusting to the dispensing pressure
setting. The indicated dispensing
pressure is increased continuously.
– Pressure regulator
8 was
unintentionally changed by more
than ±10 %.
– Dispensing pressure was set to a
new value of more than ±10 %.
– Leak in the system
● Wait until the pressure regulator 8
has adjusted the dispensing
pressure.
● The error message and beeping are
eliminated when the indicated
dispensing pressure is within -10 %
of the stored comparison value.
● Adjust pressure regulator 8 until the
error message and beeping are
eliminated.
● Press button to store the
indicated dispensing pressure as the
new comparison value for the
automatic pressure monitoring. This
eliminates the error message and
beeping.
● Check system for leakage.
● Henkel Service.
The desired pressure is
not achieved.
– Supply pressure inadequate. ● Increase the supply pressure.
No product, too little or too
much product.
– Dispensing pressure not set
correctly.
– Pressure hose not properly
connected.
– Dispensing needle is clogged, too
small or too large.
– Dispensing valve not correctly
connected or defect.
– Product reservoir not switched on or
defect.
– Controller is defect.
● Adjust dispensing pressure setting.
● Connect air pressure hose correctly.
● Replace the dispensing needle.
● Check the dispensing valve (see
operating manual for dispensing
valve).
● Check product reservoir (see
operating manual for product
reservoir).
● Henkel Service.
LED in button or
does not light.
– LED defect.
– Button defect.
– Control unit is defect. ● Henkel Service.
● When the button I operational
(check by means of the digital
display), the unit can be used until
repaired by Henkel Service.
● Henkel Service.
● Henkel Service.