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4. Maintenance
EN
5. Troubleshooting
Your KL 1500 HAL is maintenance-free.
Use a soft dry cloth or commercially available plastic cleaning cloths for external
cleaning of the device.
If you are unable to rectify the problem using the measures described below,
please contact your specialist dealer or the nearest SCHOTT agency.
Display
Type of fault
indication
1. Lamp off, fan
No display
not running
2. Lamp off, fan
Open
running
Circuit
Possible cause
Remedy
•
Instrument not
•
Switch the instrument
switched on
on
•
Plug not in socket
•
Insert the plug
•
No mains voltage
•
Check mains voltage
•
Lamp compart-
•
Close lamp compart-
ment not con-
ment
nected
•
Lamp defective
•
Replace lamp
(see point 3)
•
No lamp
•
Insert lamp
•
No lamp
•
Press lamp into the
contact
socket, replace the
lamp base if necessary