Operation
Chapter 5
H Data Display and Action to be Taken when Inverter Error
Occurs
The first character of an error code is always “F” when an Inverter error occurs. (Howev-
er, all indicators are not lit when a control circuit error occurs.)
If an Inverter error occurs, turn the power off, then on. If the problem persists, replace the
Unit.
Data
Description
Action
display
• Turn the power off, then on.
Initial memory error
f00
• If the problem persists, replace the
Unit.
ROM error
f01
f04
Constant error
• Write down all the constant settings,
initialize the constants, and reset the
constants.
• Turn the power off, then on.
• If the problem persists, replace the
Unit.
A/D converter error
Option error
• Turn the power off, then on.
f05
f06
• If the problem persists, replace the
Unit.
• Turn the power off, then reinstall the
Digital Operator.
The Digital Operator has an error or
faulty contact.
• If the problem persists, replace the
Unit.
(Not lit)
Control circuit error
• Check the power cables.
• Replace the Unit.
An error occurred in the control power
supply or hardware.
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