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OSRAM QUICKTRONIC-M ECG for circular FL 16 mm User Manual

Page 84

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8.5.5 Fault in other

electrical equipment

Problem:
Fault in other electrical equipment, particularly radio and television
receivers

Possible cause:
a) Wiring

problems

Remedy

Lamp cables should be short, far enough away ( > 5 cm) from

earthed metallic parts and, if possible, not laid parallel to mains

cables (particularly in the luminaire). If cross-overs are needed they

must be at right angles. The mains cables must also be as short as

possible.


Possible cause:
b)

Electrical equipment, radios and televisions are inadequately

immunity

to

interference


Remedy:

Increase the distance between the luminaire and the equipment, if

necessary, contact the manufacturer.


Possible cause:
c)

The IR remote control signals for TV operate at a similar frequency

to the ECG


Remedy:

Move the IR receiver ont the TV out of the readiation field of the

lamp or disable it.

8.5.6 Problems at master-

slave operation

Problem:
Problems on master-slave arrangements for 2lamp ECGs

Possible cause:
Wiring

problems


Remedy:

Lamp cables should be short, far enough away ( > 5 cm) from

earthed metallic parts and, if possible, not laid parallel to mains

cables (particularly in the luminaire). If cross-overs are needed they

must be at right angles. The mains cables must also be as short as

possible. In master-slave arrangements the maximum length of the

cable to the daughter luminaire must not be exceeded.

8.5.7 Humingh

or

“chirping” from the
ECG

Problem:
Huming or “chirping” from the ECG

Possible cause:

Non-sinusoidal AC voltage


Remedy:

Eliminate sources of interference if necessari in consultation with

the electricity supplire.