Checkline PK2X - Manual (Page 12)

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10.0 E RROR MESSAGES IN THE DISPLAY
E1: Front bezel is not fastened correctly. If the E1message appears, the instrument
must be switched off. Remove the front bezel screw, reseat the reflector and
tighten the front bezel screw.
Front bezel screw is
found on the underside
of the PK2X
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11.0 MAINTENANCE
Due to the high voltage contained within the Pocket-Strobe, the user should not
attempt to service the device. If your Pocket-Strobe needs service or repair, including
the replacement of its internal battery, please call one of our Technical Service
Representatives.
Clean the external surfaces with a dry, lint free cloth only. DO NOT allow any liquids
to enter into the instrument.