. Dust that accumulates the printed circuit board can cause the insulation
coordination fail.Page 257
Maintenance/Cleaning
17.1 Cleaning instructions
Use soft, slightly damp, lint-free cloth. not use
window cleaner, household cleaners, sprays, dissolvent, cleaners that contain alcohol, am-
monia solutions abrasive cleaning agents.
If the inside very dirty due improper use, may best send the device the
manufacturer. Maintenance/Cleaning
17.
Dust generally hygroscopic and can bridge creepage distances, which why advisable
to operate device with housing with the housing closed.
NOTE! not clean the device with unsuitable products!
This can damage the surface the device and remove markings
Please follow the cleaning instructions described above. Make sure liquid gets the housing
