Faulty operating and switch elements
© Elma GmbH & Co KG SM/Transsonic_LC/1104/D
25
8.2 How to replace the timer
The timer is a 2-pole switch element. Parallel connected at the
timer output there is the ultrasound pilot lamp. The design was
modified in 1997. For replacement of the timer make sure that
all electric cables are connected correctly (risk of short circuit).
Please see Illustrations. 8.2.1. and 8.2.2.
If the timer does not automatically run down when the unit
operates in timer operating mode, or if the timer cannot be set
into permanent operating mode, there is probably a mechanical
fault in the timer component.
If the pilot lamp is lighted when the timer is switched on there is
no electric fault in the timer.
(for all mains voltages) 200 000 5114.
To replace the component the bottom plate must be opened.
Proceed as follows:
Cause of breakdown
Elma Order No.
1. Open the unit as described in section 7.
How to proceed
2. Pull off the turning knob.
3. Loosen the plug contacts of the four electric cables of the
timer (mark the plug connections).
4. Cut the cover foil around the fastening screws.
5. Loosen the two fastening screws on the front and remove
the timer.
6. Mount the new timer following the described steps in
reverse order.
7. Replug the contacts at the timer.
CAUTION: If you replace a timer of the formerly used type
(Diehl) by a new one (Coupatan), please observe the
modified connection scheme; see Illustration 7.2.1
RISK OF SHORT CIRCUIT!
Mains input of timer contacts 1A and 2A; mains output
contacts 1 and 2.
8. Mount the turning knob as described in section 8.1.
9. Mount the bottom plate; close the unit. Make sure that all
plug connections are correct and that no cables are
pinched.
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