
16.2 Daily Inspection
Please conduct daily inspection as indicated in the table below in order to pro-
long the life cycle of frequency converters.
Inspection
category
Inspection item
Inspection criteria
Inspection
result
Ambient
conditions
Temperature
-10...55 ℃ (no frost or condensation)
Relative humidity
≤ 90 % (no condensation)
Dust, water
and leakage
No heavy dust or sign of leakage
(visual inspection)
Gas
No harmful, flammable gas or strange smell
Sound
No strange sound
Panel display
No error code
Others
No direct sunlight, no oil or corrosive substan-
ces around
Converter
Status
Running stably, the outlet temperature is nor-
mal
Fan
No blockage or contamination
Terminal, screw
Wiring is correct, screw fastening without
loosening
Motor
Sound, vibration
No strange sound, no abnormal vibration
Temperature, color
No abnormal temperature and discoloration
Tab. 16-1: Daily inspection list
Bosch Rexroth AG
Maintenance
VFC 3210
216/253
DOK-RCON04-VFC3210****-IT01-EN-P