4.12.1 Malfunctions - Optimum OPTIdrill DH 28BV Betriebsanleitung


Enter the offset value of a quill mechanism, based on your experience with the keys (3) or
(4).

Stop the operation mode "S" by pressing the button (6) again.
INFORMATION
Before inserting the new battery, wait about 30 seconds. Please make sure, that the contacts
are metallically bright and free from coverings which result from bleeding or gassing batteries.
Grip the new batteries only with plastic forceps, if possible not with the hand due to the forma-
tion of oxide and never with metal forceps in order to avoid a short circuit. In most cases the
round cell will be inserted into the digital display with the marking upside. After inserting the
round cell, the battery compartment has to be closed again.

4.12.1 Malfunctions

Malfunction
Flashing of the
display
Screen doesn't
refresh
No data visible
Version 1.1.4 - 2022-9-14
Cause / possible effects
• Voltage too low
• Operation mode "S" is active
• Disturbance in the circuit
• No power supply
• Battery voltage less than 3V
Translation of original instruction
Solution
• Change battery
• Disable the operation mode "S".
• Remove the battery, wait 30 seconds and
reinsert the battery.
• Clean battery contacts
• Replace battery
EN
105