Verilux vt20 Manual

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Technical Speciﬁcations

HappyLight Liberty Series Natural Spectrum Energy Lamp

Environment

OperatingTemperature:15to35°C(56to95°F)

StorageTemperature:0to40°C(32to104°F)

Relative Humidity: 5 to 95% non-condensing

Bulb

Replacement bulb: 36 watt 10,000-hour bulb.

ReplacewithVeriluxbrandonly,ModelnumberCFML36VLXbycalling

1-800-454-4408 or visiting www.verilux.com.

Power

Input Power: 120 VAC, 60Hz, 0.50 A

UL Listed in Canada and the USA

Before requesting service on your Verilux lamp, please:

• Makesureallpowerconnectors,cordsandplugsareinsertedfullyandsecurely.

• Besurethebulbissecurelyseatedinthesocket.(Seepages8and9.)

• Makesurethereispowertothewalloutlet,ortryanotheroutlet–onethatisnot

connected to a dimmer.

Troubleshooting

PROBLEM CHECK SOLUTION

Light Won’t

Come On

Blackening/Darkening

at Ends of Bulb

Light Flickers

Has the plug come

loose?

Is the bulb old?

Is the bulb connected

securely into socket?

Is the bulb new?

Is the bulb old?

Has the plug come

loose?

Is the bulb connected

securely to the socket?

Is the lamp connected

to a dimmer switch?

Insert plug securely into wall outlet.

Check bulb for blackening/darkening at bottom of spiral where it joins the

base (an indicator of bulb life) and replace bulb.

Be sure the bulb is securely seated into socket. Repeat the bulb

installation process.

DISCONNECT LAMP FROM OUTLET

PRIOR TO REPEATING THE BULB INSTALLATION PROCESS.

Sometimes when a new bulb is turned on for the first time the tube will

darken, but this will fade after a few minutes.

With older bulbs, darkening of the tube indicates end of bulb life. (This

doesn’t affect operation except to reduce the amount of light available

since the phosphor in that area has become inactive.) Bulb replacement

is recommended.

Insert plug securely into wall outlet.

Connect lamp plug only to wall outlet without dimmer switch.

Light won’t tilt

Are the thumb screws

too tight?

Loosen the two blue thumb screws on the back of the unit, adjust the lamp

to the desired angle and re-tighten the two thumb screws.

Be sure the bulb is securely seated into the socket. Repeat the bulb

installation process. DISCONNECT LAMP FROM OUTLET

PRIOR TO REPEATING THE BULB INSTALLATION PROCESS.

CAUTION: