Lufft CHM 15k, Руководство пользователя

Страница: 63 / 73

Operating Manual CHM 15k R13 / 07-2019
Cleaning, Maintenance and Service Instructions 63
10
Cleaning, Maintenance and Service Instructions
CAUTION
After s itching on the po er supply, the CHM 15k emits Class 1M invisible laser
radiation through the opening at the top of the sensor. When viewed with optical
instruments, Class 1M radiation can lead to serious eye injuries.

Never view the laser beam with optical instruments, especially binoculars

Avoid looking directly into the laser beam
In normal operation, the correct operation of the device can be checked with two LEDs (see Figure 30).
A red LED in the lower right corner of the window panels is an indicator of device failure. The light turns
on in case of a hardware or software fault identified by the main controller. For detailed information about
the transmitted error the web interface status code (see Figure 16) or the status code via RS485 (see
8.5
Status code ) can be consulted.
A green LED in the lower left corner of the windows indicates the mains voltage is switched on. When
the device is turned on, this LED must be lit. If this is not the case, this indicates an unconnected cable,
a switched-off circuit breaker or defective fuses.
10.1 Cleaning
The cover windows of the CHM 15k internal housing are tested for an impact energy of 1 Joule (IEC/EN
61010-1: IK06).
WARNING
Operating the sensor with a broken cover window may result in electric shock,
which can cause serious or fatal injury. The shards of the glass can lead to cutting
injuries.

Disconnect the ceilometer via the external mains disconnect switch
immediately when discovering that a cover window is damaged and secure
against reconnection.

Use protection gloves when handling the broken glass.

Return the sensor to G. Lufft GmbH for repair.
NOTICE
The device may be damaged when maintained insufficiently / inappropriately.

The CHM 15k requires regular cleaning to maintain performance status.

The CHM 15k requires regular maintenance. This must be performed by service personnel of
G. Lufft GmbH or specially trained technicians only.

For detailed maintenance instructions, please consult the service manual.