Hitachi WJ Series

Chapter 15 Tips/FAQ/Troubleshooting
15-3-1
15.3 Troubleshooting for Warning Functions Related Error
15.3.1 Warning Display
 How to know the cause of the warning and troubleshooting when a warning occurs?
 If the set parameter is inconsistent with another set value, a warning is displayed and the
program LED [PRG] blinks.
 Warning displays and their conditions are shown below. If a warning is displayed, correct the
parameter referring to the contents of the table. (Even if RUN command is given, it is not
automatically rewritten to the correct value.)
 The latest warning message is stored in "Warning monitor [d090]". If no warning has occurred,
" " is displayed.
Warning
display
Warning display condition

Upper frequency limit, 1st-motor [A061]
>
Maximum frequency, 1st-motor [A004]

Lower frequency limit, 1st-motor [A062]
>
Maximum frequency, 1st-motor [A004]

Output frequency setting or monitor
[F001], Multi-speed 0, 1st-motor [A020]
>
Maximum frequency, 1st-motor [A004]

Output frequency setting or monitor
[F001], Multi-speed 0, 1st-motor [A020]
>
Upper frequency limit, 1st-motor [A061]

Lower frequency limit, 1st-motor [A062]
>
Output frequency setting or monitor
[F001], Multi-speed 0, 1st-motor [A020]

Minimum frequency adjustment [b082]
>
Upper frequency limit, 1st-motor [A061]

Minimum frequency adjustment [b082]
>
Lower frequency limit, 1st-motor [A062]

Minimum frequency adjustment [b082]
>
Output frequency setting or monitor
[F001], Multi-speed 0, 1st-motor [A020]

Minimum frequency adjustment [b082]
>
Jogging frequency [A038]

Output frequency setting or monitor
[F001], Multi-speed 0, 1st-motor [A020]
=
Jump frequency ± Jump frequency width
([A063] ± [A064], [A065] ± [A066], [A067]
± [A068])
*1

Multi-speed 1 to 15 [A021] to [A035]
=

Free-V/f frequency 7 [b112]
<
Upper frequency limit, 1st-motor [A061]

Free-V/f frequency 7 [b112]
<
Lower frequency limit, 1st-motor [A062]

Free-V/f frequency 7 [b112]
<
Output frequency setting or monitor
[F001], Multi-speed 0, 1st-motor [A020]

Upper Frequency limit, 2nd-motor
[A261]
>
Maximum frequency, 2nd-motor [A204]

Lower Frequency limit, 2nd-motor [A262]
>
Maximum frequency, 2nd-motor [A204]

Output frequency [F001], 2nd multi-
speed 0-speed [A220]
>
Maximum frequency, 2nd-motor [A204]

Output frequency [F001], 2nd multi-
speed 0-speed [A220]
>
Upper Frequency limit, 2nd-motor [A261]

Lower Frequency limit, 2nd-motor [A262]
>
Output frequency [F001], 2nd multi-
speed 0-speed [A220]

Minimum frequency adjustment [b082]
>
Upper Frequency limit, 2nd-motor [A261]

Minimum frequency adjustment [b082]
>
Lower Frequency limit, 2nd-motor [A262]

Minimum frequency adjustment [b082]
>
Output frequency [F001], multi-speed 0-
speed [A220]

Output frequency [F001], 2nd multi-
speed 0-speed [A220]
=
Jump frequency ± Jump frequency width
([A063] ± [A064], [A065] ± [A066], [A067]
± [A068])
*1

Free-V/f frequency 7 [b112]
<
Upper Frequency limit, 2nd-motor [A261]

Free-V/f frequency 7 [b112]
<
Lower Frequency limit, 2nd-motor [A262]

Free-V/f frequency 7 [b112]
<
Output frequency [F001], 2nd multi-
speed 0-speed [A220]
*1. A warning occurs when the frequency settings of [F001], [A020], [A220], [A021] to [A035] are within the
frequency range set in the jump frequency.
A
Q