Hitachi WJ C1 Series User Manual

Chapter 15 Tips/FAQ/Troubleshooting
15-1-1
15.1 Self Diagnosis of Problems
15.1.1 Procedure for Checking When a Problem Occurs
 What is the procedure for checking when a trip or other problem occurs?
 If a trip or a warning has occurred, or has not occurred but the display is unusual, or the unit
does not operate as intended, follow the steps below to troubleshoot.
Descriptions of the trouble
Reference section
✓ When a trip occurs and an error such as
"E051" is displayed on the keypad.
Refer to "15.2 Troubleshooting for Protection
Functions Related Error" to resolve the cause.
✓ When a warning occurs and a warning
such as " " is displayed on the keypad.
Refer to "15.3.1 Warning Display" to resolve the
cause.
✓ When the keypad displays something
unusual or unfamiliar.
Refer to "15.3.2 Other Displays" to resolve the
cause.
✓ When not trip, warning, or other indication
above, but does not operate as follows.
"Some parameters are not displayed"
"Cannot change the setting"
"Inverter does not start even if
RUN/frequency command is given"
"Inverter can run, but the frequency does
not increase"
"Motor vibrations and disturbances" and
so on.
Refer to "15.4 How to Check When Something
Is Wrong" to resolve the cause.
If the problem cannot be solved!
 Please contact your supplier or local Hitachi sales office.
 Before making an inquiry, please check the following information.
(1) Inverter model
(2) Manufacturing number (MFG No.)
(3) Date of purchase
(4) Content of the inquiry
Q
▼

Hitachi WJ C1 Series Specifications

General

Brand	Hitachi
Model	WJ C1 Series
Category	Inverter
Language	English