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7 Troubleshooting
7.1 Troubleshooting
Type of Malfunction Possible Causes Corrections
The digital display does not
light. – No power voltage present.
– Powers switch 5in position O(OFF).
– Power fuse 7is defective.
– Power cord is defective.
– Control unit is defective.
•Check the power voltage.
•Switch power switch to position I(ON).
•Check/replace fuse.
•Replace power cord.
•Loctite Service.
No needle movement on the
pressure gauge. – No air pressure present.
– Pressure gauge defective.
– Pressure regulator defective.
•Check depressurizing valve 10 and
pneumatic supply.
•Replace gauge.
•Replace regulator.
The desired pressure is not
achieved. – Supply pressure inadequate. •Increase the supply pressure (min
0.5 bar above reservoir pressure).
LED does not light. – LED defect. •When the controller is operational, the
unit can be used until repaired by
Loctite Service
No start signal. – Plug on the socket XS 1: Start 9is
loose.
– Footswitch defective.
•Switch the power switch to the
position O (OFF). Tighten the screws
of the plug. Switch the power switch to
the position I (ON).
•Replace the Footswitch.
No product, too little or too
much product. – Dispensing pressure not set correctly.
– Pressure hose not properly
connected.
– Luer-Lock tip cap not removed.
– Dispensing needle clogged, too
small or too large.
– Dispensing valve not correctly
connected or defective.
– Product reservoir not switched on.
– Product reservoir is empty.
•Adjust dispensing pressure setting.
•Connect air pressure hose correctly.
•Replace Luer-Lock tip cap with a
dispensing needle.
•Replace dispensing needle.
•Check the dispensing valve (see
instruction manual for dispensing
valve).
•Check product reservoir.
•Refill product reservoir (see
Section 5.2).