KERN CH50K500 Скачать руководство пользователя страница 5

Maintenance, upkeep, disposal 

8.1 

Cleaning 

Only use a cloth dampened with mild suds and not aggressive 
cleaning agents (solvents or similar). Please ensure that fluids 
are not able to get into the device and rub off using a clean, 
soft cloth.  Loose sample residue/powder can be removed 
carefully using a brush or hand vacuum cleaner. 

8.2 

Maintenance, upkeep 

The operating company shall ensure that load-bearing compo-
nents are checked by a competent person at maximum inter-
vals of one year.  
These checks can be necessary at intervals shorter than one 
year depending on the conditions of use. This applies, for ex-
ample, in the case of particularly frequent use, increased wear 
and corrosion.   
 
The device may only be opened by trained service engineers 
authorised by KERN.   
Disconnect from the mains supply before opening.  

8.3 

Disposal 

The operating company shall dispose of the packaging and the 
device in compliance with the valid national or regional law of 
the operating location. 
 

Troubleshooting  

The balance should be switched off for a short time following 
an interruption in the programme sequence. It is then neces-
sary to repeat the weighing process from the beginning. 
 

Interruption Possible 

cause 

  The balance is not switched on. 

Weight display is 
not illuminated. 

  The batteries are wrongly inserted, the 

batteries are empty 

 

  No  batteries are attached  

 Draught/air 

movement 

  Table/floor vibrations  

The weight display 
changes continu-
ally   

  Vibrations on the balance suspension 

  Electromagnetic fields / static charging 

(choose different location/switch off inter-
fering device if possible) 

  The balance display is not set to zero  

  Adjustment is no longer correct. 

The weighing 
result is obviously 
incorrect 

  Great fluctuations in temperature. 

  Electromagnetic fields / static charging 

(choose different location/switch off inter-
fering device if possible) 

 
Switch the balance off if other error messages should appear 
and then switch on again. Contact the manufacturer if the error 
message does not disappear. 
 
 
 
 
 
 

 

CH-BA-e-0927 

10 

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