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Switches, powerpoints and other fixed wired products must be installed 

by an electrical contractor or similarly qualified person.

25754A

The EM450UP Push Button Dimmer is a solid state device, so there 

is still 240V present at the load even when the dimmer is switched off. 

Therefore, we recommend that power be switched off at the circuit 

breaker before replacing faulty lamps.

Important: 

Important: 

Important:

When used in ambient temperatures greater than 25°C, the dimmer must be 

de-rated according to the following chart.

25

30

35

40

45

50

50

60

70

80

90

100

% Rating

Installation air temperature (ºC)

Warranty

Legrand Cat EM450UP is warranted as here and after appears, against 
faulty material and/or workmanship for a period of one year from the 
day of purchase. The obligation of the manufacturer under this warranty 
is limited to servicing and replacing defective parts when the unit is 
returned to the authorised place of purchase, at the purchaser’s cost. 
To obtain warranty repair, the purchase receipt should be returned with 
the product. This warranty becomes void on any unit which has been 
tampered with or damaged by accident, short circuited, loaded beyond 
rating or damaged otherwise by improper operation. The warranty 
is also conditional on the unit being installed by a licensed electrical 
contractor. Our goods come with guarantees that cannot be excluded 
under the Australian Consumer Law. You are entitled to a replacement 
or refund for a major failure and compensation for any other loss or 
damage. You are also entitled to have the goods repaired or replaced 
if the goods fail to be of acceptable quality and the failure does not 
amount to a major failure.

Troubleshooting

If the dimmer does not turn on and the LED is completely off:

 

Check if the lamps need replacing.

 

If the lamps are ok, then the dimmer’s backup internal fuse may have

blown. This fuse cannot be reset so the dimmer must be replaced.

If the dimmer does not turn on but the LED glows faintly:

 

Short-circuit protection feature is operating.

 

Check the lamps and the wiring for faults.

If the dimmer cannot be dimmed up to maximum brightness:

 

Over-temperature protection is operating.

 

Check that the load is suitable for use with the dimmer.

 

Check that the load is below the maximum rating of the dimmer,

taking into account the number of dimmers per plate and the ambient 
temperature.

If the dimmer stays on at full brightness or the lamps flicker 
permanently:

 

 

Check that the load is suitable for use with the dimmer.

 

The dimmer may be permanently damaged and need replacement.

Customer Service

For all Customer Service and Technical Support  

please call Monday to Friday during business hours.

HPM Legrand Australia

1300 369 777

www.hpmlegrand.com.au

HPM Legrand New Zealand

0800 476 009

www.hpmlegrand.co.nz

ABN: 31 000 102 661

LED Indicator

●  The colour of the LED indicator can be either blue or red. In addition, 

when the dimmer is off the LED indicator can either glow faintly or be off 
completely. The four possible modes are as follows:

● To change between modes, press and hold the push button for at least 

10 seconds. This will select the next mode in the sequence above.

Mode

Status of LED indicator

Dimmer on

Dimmer off

1

Bright blue

Faint blue

2

Bright red

Faint red

3

Bright blue

Off

4

Bright red

Off

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