LG THERMA V AHNW16606B0, Service Manual, Page: 3 / 81

- 3 -
The manual describes the process of setting up and use of the device. Servicing and maintenance
of the device can only be performed by qualified personnel. Read the manual carefully before
working on the device, this way you will be informed about the intended use, functionality and
process of troubleshooting the device.
Definitions
• An informed person is a person who reads this manual.
• A qualified person has a certificate of expert qualifications.
• An authorised commission contractor is trained by the manufacturer and authorised to perform
commission.
• The authorised technician is trained and authorised by the manufacturer to perform maintenance
and servicing of the device.
• The user uses the device according to its use.
• The installer is a person professionally trained for performing hardware and/or electro-installation
work and mounting of the device.
Incorrect use of the device can lead to damage of the device, property or injury to the user or main-
tenance worker. To reduce risk the manual points out important information with the use of sym-
bols.
1.1 Symbol
1. General
To prevent injury to the user or other people and property damage, the following instructions must
be followed.
n
Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is
classified by the following indications.
n
Meanings of symbols used in this manual are as shown below.
WARNING
CAUTION
This symbol indicates the possibility of death or serious injury.
This symbol indicates the possibility of injury or damage to properties only.
Be sure not to do.
Be sure to follow the instruction.