Hofmann geodyna 7850p Mode D'emploi page 148

148
Trouble shooting
E8
Valve position was not entered in electronic unit (error
code only in optimisation or minimisation programs).
 Position valve exactly perpendicular to and above
main shaft and press the OP key.
E14
The power clamp device is not clamped.
The measuring run has been started with the device
not clamped correctly.
 Release the wheel and then clamp it correctly.
E15
Corrective term of readjustment is out of range.
During readjustment values were determined which
exceed, or fall short of, the given adjustment value.
 Use clamping means supplied with the machine,
or have basic calibration carried out (service).
E16
During the first readjustment run by the operator the
calibration weight was fitted by mistake.
 Unscrew the calibration weight and start the
measuring run again.
E17
Wheel slips on clamping means.
The clamping nut is not well tightened, the main shaft
accelerates too quickly. The machine will stop.
 Firmly tighten the clamping nut, or in special
cases press the START key a little bit longer.
E23
Lifter fault.
 Restart the wheel balancer. Complete the start up

as requested ( 5.1.1).
E50
 The function is activated in the Setting Screen
without key.
 The function is activated in the Setting Screen
without having to initialise the key.
 The function is activated in the Setting Screen and
at the next machine restart the key is removed.
E83
During a measuring run the measured data have been
made useless under the effect of outside pulses (e. g.
vibrations) and measurement was interrupted.
 Repeat the measuring run.
E88
The rotating speed of the main shaft exceeds the
safety limit.