Troubleshooting; Manual Spindle Feed With The Spindle Quill Lever - Optimum BF20 V Operating Manual

Operation mode "S"
The operation mode "S" is used to enter and to compensate the backlash of quill mechanism.

(1) Display which shows the operating modes "S", "inch" or "mm"

(2) converts the measuring unit from millimetres to inches and vice versa.

(3) , Value increase in operation mode "S"

(4) , Value decrease in operation mode "S"

(5) Switches the display ON or OFF.

Resets the display to the set compensation value "S".
Enter the offset value of the quill mechanism

Press the button (6) for about 2-3 seconds. The operation mode (8) "S" is activated and dis-
played.

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.

4.10.1 Troubleshooting

Problem
Flashing of the dis-
play
Screen doesn't
refresh
No data visible
4.11

Manual spindle feed with the spindle quill lever

ATTENTION!
The clutch of the fine feed has to be disengaged before the spindle quill lever can be
used. Activating the spindle quill lever when the fine feed is engaged may damage the
clutch.

Loosen the handle screw Fig.4-7: "Fine feed" on page 30 .
The spindle quill lever moves away from the mill drill head and disengages the clutch of the
fine feed.
Version 3.1.8 dated 2015-1-27
Cause / possible effects
• Voltage too low
• Operation mode "S" is active
• Disturbance in the circuit
• No power supply
• Battery voltage less than 3V
Original operating instructions
OPTIMUM
M A S C H I N E N - G E R M A N Y
Solution
• Change battery
• Disable the operation mode "S".
• Remove the battery, wait 30 seconds and
reinsert the battery.
• Clean battery contacts
• Replace battery
BF20V US
Page 31