39
Error messages
> If the described problem cannot be resolved, the unit will need to be inspected by an authorized W&H service partner.
> In case of a total system failure, switch the control unit off and on again.
Error
Description
Solution
Instrument detection error
> Check LED socket (correctly attached, defective)
(Activate emergency mode [see pages 40–41] or change the LED
socket)
Button (keypad) pressed
during power-on
> Switch off the device and restart
Error electronics temperature
> Switch off device and allow to cool down
> Observe permissible ambient temperature
> Observe operating mode
Scaler timeout
> Check foot control
(must not be active for longer than 15 minutes without interruption)
System error
> Switch off the device and restart
> If the error message appears again,
contact an authorized W&H service partner