Copyright © 2017 Thorlabs
5 Maintenance and Repair
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5 Maintenance and Repair
5.1 General Remarks
The TED4015 temperature controllers does not need regular maintenance by the user. It does
not contain any modules that could be repaired by the user himself. If a malfunction occurs, the
whole unit has to be sent back to
Thorlabs
. Do not remove covers!
If any disturbances in function occur, please refer first to chapter
If you don’t find the error source by means of the trouble shooting list please first contact
Thor-
labs
before
sending the TED4015 temperature controller for checkup and repair to
Thorlabs
(refer to section
).
If highest precision of measurements is vital to you, you should have the temperature controller
recalibrated by
Thorlabs
about every two years.
General care
Protect the unit from adverse weather conditions. The TED4015 temperature controllers are not
water resistant.
Attention
To avoid damage to the TED4015 temperature controllers, do not expose it to spray, li-
quids or solvents!
Cleaning
The unit and the display can be cleaned with a cloth dampened with water. You can use a mild
75% Isopropyl Alcohol solution for more efficient cleaning.
5.2 Line Voltage Settings
The TED4015 temperature controller operates from line voltages 100 ... 120 V AC and 200 ...
240 V AC ±10%. The line frequency range is 50 ... 60 Hz, thus it can be operated worldwide
without any adjustment or voltage setting.