7
H4-72-02-03
For internal use only
3.
Construction components
3.1
Power supply unit
The power supply unit is a part of the relay board. It is essential to connect an earthed conductor (PE)
in order for the appliance to function properly.
Possible consequences if there is no earthed conductor
•
If there is no PE connection
•
The clock reference will be determined by the internal processor clock.
Error pattern:
running deviations of the clock
in the minutes section per day.
•
If the power filter is not properly wired, the Y-capacitors will not be connected. Error pattern: the
Y-capacitors form a voltage divider.
The appliance cabinet will be under half of the mains
voltage!
•
Operation of the power filter will be very limited. Error pattern:
radio screening
.
•
There will be no guarantee that the appliance is safe! It is absolutely essential for a protection
class I appliance to be connected to an earthed conductor
•
The resistance to jamming of the appliance may be diminished due to the house wiring.
• In the event of the above-mentioned error patterns
•
Check that an earthed conductor has been properly connected.
If this is not the case the
appliance must be put out of operation and the customer must be notified accordingly!
4.
Functions
4.1
Demo mode (wiring for fairs) (EMWK 9800.0 only)
Activate the demo mode
1. Press the memory button for approx. 4 seconds. The display will indicate: “Select your language”.
2. Select “English”.
3. Press the clock button for approx. 4 seconds. At the bottom on the right the display will show a “D”.
Deactivate the demo mode
1. Press the stop button for approx. 4 seconds. The “D” on the display will go off and the appliance will
be ready for operation again.
Please note!
The demo mode will remain activated even if the power supply is cut off for a
longer period.
4.2
Children's safety device
Activating the child-proof lock
Press the stop button for approx. 4 seconds. The display will indicate “Child-proof lock”.
Deactivating the child-proof lock
Press the stop button for approx. 4 seconds. The lock will be released.
