| WARNING Follow local and state legislation and regulations on occupational safety. |
| WARNING Do not perform installation or maintenance procedures when there is a risk of thunderstorm or lightning activity in the area. |
| WARNING Only licensed experts may install electrical components. They must adhere to local and state legislation and regulations. |
| WARNING Keep away from live circuits. Operating personnel must observe safety regulations at all times. |
| WARNING Do not replace components when the system is powered up. Disconnect all power sources before performing maintenance procedures. |
| WARNING After disconnecting the power cable, dangerous voltages can exist for some time. To avoid injury, disconnect the power and discharge circuits before touching them. |
| WARNING Do not service the system alone. Do not reach into parts and assemblies that are AC (mains) powered and live except in the presence of someone who can provide first aid. |
| WARNING Do not operate in an explosive atmosphere, for example, when flammable gases or fumes are present. Operation of electrical equipment in such an environment constitutes a safety hazard. |
| WARNING To avoid injuries and to avoid damaging the instrument, do not place a ladder or similar against the instrument. |
| CAUTION Contact Vaisala or its authorized representative for repairs. |
| CAUTION Only qualified maintenance personnel may perform maintenance procedures. |
For the AC (mains) power connection, you need an external disconnection device (for example, a switch).
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The disconnection device must be rated 10 A at 250 V AC minimum, and must conform to any additional local regulations.
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To prevent accidental switching on during installation and maintenance, the disconnection device must be visible from the enclosure, or lockable with a key.
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The installed enclosure must not block access to the disconnection device. The disconnection device must remain easy to operate.
| Before sending your device to service, take a backup of the configuration. The service resets the device and restores default factory settings. |
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During maintenance, mount the laptop shelf on the cabling box on the interface unit for comfortable working. You can find the laptop shelf from the field calibrator kit. The maximum supported weight of the laptop shelf is 6 kg (13 lb). |