not use
window cleaner, household cleaners, sprays, dissolvent, cleaners that contain alcohol, am-
monia solutions abrasive cleaning agents.
Dust generally hygroscopic and can bridge creepage distances, which why advisable
to operate device with housing with the housing closed. Maintenance/Cleaning
17. Dust that accumulates the printed circuit board can cause the insulation
coordination fail.
.
If the inside very dirty due improper use, may best send the device the
manufacturer.1 Cleaning instructions
Use soft, slightly damp, lint-free cloth.
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.Page 257
Maintenance/Cleaning
17. Make sure liquid gets the housing
