Turning On The Machine; Error Codes At Power On - Hofmann geodyna 2600 Operation Manual

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5. Turning on the machine

When switched on by the switch (Fig. 17, item 1) the
electronic unit performs a number of self-tests. On successful
completion of these tests a melodious three-tone signal is
given. OK is read out on the displays, and the code number of
the program version is briefly viewed on the display; then both
displays show wheel dimensions which were entered before
and are still stored in the electronic memory.
As long as the machine is carrying out the self-tests, no inputs
and no other operations whatsoever must be made. During
this starting phase the machine must not be subjected to even
the slightest vibration.
The electronic unit is factory-adjusted to the following modes
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of operation, which are available after turning on:
- car wheel with nominal dimensions in inches width 6.5"
and diameter 15.0"
- entry of rim data in inches
- display of amount of unbalance in 1/4 ounce increments
- suppression of minor unbalance readings (limit set to
1/4 ounce)
- automatic braking of wheel when guard is opened during
- compensation of adapter unbalance switched off
- start of measuring run by START key only

Error codes at power on

If an error code occurs it must be acknowledged by pressing
the STOP key. No audible signal is given.
The following malfunction codes may occur at power-on:
E900 - Fig. 18
Unknown machine model.
E901 - Fig. 19
The machine is not calibrated.
E89 - Fig. 20
A key is jammed at power-on.
• Find and release the jammed key, call service if neces-
Operation manual geodyna 2600 EEWB703D
Turning on the machine
the measuring run
sary.
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