Periodical Inspection; Check Points; Cautions About Cleaning - Toshiba TOSVERT VF-nC3E Instruction Manual

Industrial inverter (for 3-phase induction motors)
Table of Contents

Advertisement

 Check points
1. Something unusual in the installation environment
2. Something unusual in the cooling system
3. Unusual vibration or noise
4. Overheating or discoloration
5. Unusual odor
6. Unusual motor vibration, noise or overheating
7. Adhesion or accumulation of foreign substances (conductive substances)
 Cautions about cleaning
To clean the inverter, wipe dirt off only its surface with a soft cloth but do not try to remove dirt or stains from any
other part. If stubborn stains persist, remove them by wiping gently with a cloth dampened with neutral detergent
or ethanol.
Never use any of the chemicals in the table below; the use of any of them may damage or peel the coating away
from molded parts (such as plastic covers and units) of the inverter.
Acetone
Benzene
Chloroform

13.2 Periodical inspection

Make a periodical inspection at intervals of 3 or 6 months depending on the operating conditions.
Mandatory
action
Prohibited
13
Important
 Before inspection, perform the following steps.
(1) Shut off all input power to the inverter.
(2) Wait at least 15 minutes and check to make sure that the charge lamp is no longer lit.
Performing an inspection without carrying out these steps first could lead to electric shock.
 Do not replace parts.
This will result in electric shock, fire and other injury. Please call your Toshiba distributor for repairs and
replacement of expendable parts.
 Estimated time of replacement of parts with life span varies depending on frequency of use and
conditions.
 The above are only guidelines and do not promise to fail or repair free of charge. In addition, parts
replacement (charged) is required even if it is used for a long time, such as continuous use, depending
on usage conditions at an early stage or within the product warranty period.
Ethylene chloride
Ethyl acetate
Glycerin
Warning
M-2
E6582233
Tetrachloroethane
Trichloroethylene
Xylene

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents