Hitachi SJ700D-004L, Instruction Manual

Page: 241 / 288

Chapter 5 Error Codes
5-4
to
OP1-0
OP1-9
Name Description
Display on digital
operator
Display on remote
operator
Troubleshooting and corrective action
Reference
page
Option 1 error
The inverter detects errors in the option
board mounted in the optional slot 1. For
details, refer to the instruction manual for
the mounted option board.
Check whether the option board is mounted
correctly.
(Check the board mounting.)
Check whether the option board is used
correctly.
(Check the instruction manual for the option
board.)
Refer to the
instruction
manual for
the SJ-FB,
SJ-DG, or
SJ-DN.
Option 2 error
The inverter detects errors in the option
board mounted in the optional slot 2. For
details, refer to the instruction manual for
the mounted option board.
Check whether the option board is mounted
correctly.
(Check the board mounting.)
Check whether the option board is used
correctly.
(Check the instruction manual for the option
board.)
Refer to the
instruction
manual for
the SJ-FB,
SJ-DG, or
SJ-DN.
Waiting in
undervoltage
status
If the input voltage falls, the inverter will
shut off its output, display the code shown
on the right, and wait for the recovery of
the input voltage.
The inverter will display the same error
code also during an instantaneous power
failure.
(remark) Inverter trips with under voltage
when this status continues for 40 seconds.
Check whether the power supply voltage has
fallen.
(Recover the power supply.)
Check the MCB and magnetic contactors for
poor contacts.
(Replace the MCB and magnetic contactors.)
Check whether the voltage across the P and N
terminals is normal.
(Check the voltage across the P and N
terminals.)
-
Communica-
tion error
If a problem occurs in the communication
between the digital operator and inverter,
the inverter will display the code shown on
the right.
Check whether the relay plug is fitted
correctly.
(Check the relay plug for connection.)
Check whether the digital operator is
connected correctly.
(Check the digital operator for connection.)
-
Waiting for
retry
When the retry after instantaneous power
failure or tripping has been enabled, the
inverter displays the code shown on the
right while awaiting retry after an
instantaneous power failure or tripping.
-
Power-off
The inverter displays the code shown on
the right when the inverter power is
turned off.
-
Restricted
operation
command
When an operation direction has been
restricted by the setting of "b035", the
inverter will display the error code shown
on the right if the operation command
specifying the restricted operation
direction is input.
-
Empty trip
history
If the inverter has not tripped before,the
inverter displays
.
Ex. Err2
to
OP2-0
OP2-9
UV.WAIT
R-ERROR COMM<1>
RESTART
ADJUST
POWER OFF
RUN.CMD DISABLE
R-ERROR COMM<2>
Err2
？