86
0
6 Troubleshooting
Malfunction Possible Cause Corrective Action
Digital display does not light
up.
– No power supply.
– Power switch 22 in position O (Off).
– Power fuse 31 defective.
– Power cord defective.
– Controller defective.
• Check supply voltage.
• Set power switch 22 to position I
(On).
• Check/replace 31 mains fuse.
• Replace power cord.
• Henkel Service.
No change in value on digital
display.
– No compressed air.
– Product reservoir not actuated or
defective.
– Controller defective.
• Check compressed air supply.
• Check product reservoir (refer to
operating manual of the reservoir).
• Henkel Service.
Required pressure is not
reached.
– Supply pressure insufficient.
• Increase supply pressure. It must be
at least 0.5 bar above the desired
dispense pressure.
No, too little or too much
product.
Probably with fault signal
(with beep).
– Dispense pressure not correct.
– Pneumatic hose not correctly connected.
– Dispense needle clogged or too
small/big
– Dispense valve not correctly connected
or defective.
– Product reservoir manually
depressurized or defective.
– Controller defective.
• Correct the dispense pressure.
• Correct pneumatic hose connection.
• Replace dispense needle.
• Check dispense valve (refer to
operating manual of the dispensing
valve).
• Check product reservoir (refer to
operating manual of the reservoir).
• Henkel Service.
LED in key does not light up.
– LED defective.
– Key defective.
• Henkel Service.
• If the key works (check via digital
display), emergency operation may
be continued until Henkel Service is
available.
No start signal.
– Automatic reservoir empty.
The Empty fault signal (with beep)
blinks on the digital display.
– Plug in socket XS1: Start 29 loose.
– Foot switch defective.
– Internal control voltage not looped out
• Refill automatic reservoir.
• Set power switch 22 to position O
(Off). Tighten down plug. Set power
switch 22 to position I (ON).
• Replace foot switch.
• Install jumper between pin 5 and
pin 8 of XS 1.
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