Hitachi SJ Series User Manual page 627

Chapter 18
Icon 2 ALT monitor
Q
• The ALT icon is shown on the display.
Occurrence
• The current increased due to load or other factors,
Output current was
exceeding the overload prewarning levels set in
high, and [dC-38]
ALT was set to 01. [CE106] or the similar parameter.
• The electronic thermal function of motor was
Output current was
activated due to increase in current and the load
high, and [dC-38]
exceeded the electronic thermal warning level
ALT was set to 02.
(MTR) set in [CE-30].
• The electronic thermal function of inverter was
Output current was
activated due to increase in current and the load
high, and [dC-38]
exceeded the electronic thermal warning level
ALT was set to 03.
(CTL) set in [CE-31].
Icon 2 RETRY monitor
Q
• The RETRY icon is shown on the display.
Occurrence
Output was turned
• The inverter is in the waiting mode after a trip retry
OFF and [dC-39]
operation due to increased current or P-N voltage
RETRY was set to
fluctuation.
01.
Output was turned
• The inverter is in the waiting mode before restart
OFF and [dC-39]
RETRY was set to after power-off by [RS], [FRS], or [CS] terminal.
02.
• When ALT is shown, the inverter is in the following
• You can see the status of ALT by pressing UP key
Estimated cause(s)
• When RETRY is shown, the inverter is in the
• You can see the status of RETRY by pressing UP
Estimated cause(s)
18-34
Tips/FAQ/Troubleshooting
A
condition(s).
on the three-lined monitor or on [dC-38].
Exemplar measures to be taken
• Remove the factor for the increased load.
(E.g., by cleaning a clogged channel)
• Enable [bA122] overload limit function or
similar function.
• Remove the factor for the increased load.
(E.g., by cleaning a clogged channel)
• Re-examine the electric thermal settings in
[bC110] or the similar parameter.
• Remove the factor for the increased load.
(E.g., by cleaning a clogged channel)
A
following condition(s).
key on the three-lined monitor or on [dC-39].
Exemplar measures to be taken
• If the wait time become longer, the
following delay time become shorter.
[bb-26] [bb-29] [bb-31]
• If this error is generated consecutively,
make the wait time longer. [bb-26] [bb-29]
[bb-31]
• If the wait time become longer, the
following delay time become shorter.
[bb-26]