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Replacing the lamp unit
Precautions on lamp unit replacement
Remove the power plug and confirm that the surroundings of the lamp unit have cooled off.
Be careful when handling a light source lamp. The lamp unit has high internal pressure. If improperly handled,
explosion might result.
A used lamp unit may burst if it is handled violently.
For disposition of used lamps, request an industrial waste disposal contractor.
If you continue to use a lamp after the replacement time, the lamp may break.
Phillips screwdriver is necessary when replacing a lamp unit.
Take care not to slip your hand when using a screwdriver.
WARNING!
When replacing the lamp, allow it to cool for at least one hour before handling it.
• The lamp cover gets very hot, and touching it can cause burns.
Make sure that two lamp units are always installed.
• It is not possible to turn on the power unless two lamp units are installed.
• A lamp unit is an optional part. Contact the dealer.
Replacement lamp unit model No.: ET-LAD57 (single bulb), ET-LAD57W (double bulbs)
• Other lamps than specified above cannot be used. Be sure to use the specified lamp.
Note
When to replace the Lamp unit
The lamp units are consumable parts. The lamp brightness decreases gradually as the cumulative operating
time increases, so periodic replacement is necessary. The replacement guideline is 2 000 hours*
1
, although the
lamp may become dead (will not light) before 2 000 hours*
1
is reached depending on the characteristics of
individual lamps and other factors such as the operating conditions and the installation environment. Therefore,
it is recommended for the user to keep a spare lamp unit.
The risk of the lamp bursting increases after 2 000 hours*
1
of operation, so the lamp unit turns off automatically.
After
1 800 hours*
2
The indication appears for 30
seconds or until any control button
is pressed.
On-screen indication
After
2 000 hours*
1
The indication will not disappear
unless a control button is pressed.
The lamp monitor lights up red
even in standby mode.
REPLACE THE LAMP
Lamp monitor
LAMP
*
1
This is the operating time if the lamp has only been used at the LAMP POWER “HIGH” setting. If the lamp
has only been used at the LAMP POWER “LOW” setting, the operating time is 3 000 hours. When the lamp
has been switched from LAMP POWER “HIGH” to “LOW”, the cumulative operating time from the
conversion formula below will be 2 000 hours.
Lamp operating time = LAMP POWER “HIGH” operating time + (LAMP POWER “LOW” operating time x 2 ÷ 3).
*
2
This is the operating time if the lamp has only been used at the LAMP POWER “HIGH” setting. If the lamp
has only been used at the LAMP POWER “LOW” setting, the operating time is 2 700 hours. When the lamp
has been switched from LAMP POWER “HIGH” to “LOW”, the cumulative operating time from the
conversion formula below will be 1 800 hours.
Lamp operating time = LAMP POWER “HIGH” operating time + (LAMP POWER “LOW” operating time x 2 ÷ 3).