EasyManuals Logo

Omron M1 Series User Manual

Omron M1 Series
808 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #748 background imageLoading...
Page #748 background image
Alarm
code
Alarm
sub-
code
Name Description  Check point and remedy reference
(Er7)
 
Tuning error
(1) The connection be-
tween the inverter and
the motor is missing
phases
Ensure a correct connection between
the inverter and motor.
 
(2) V/f settings and mo-
tor rated current are not
set correctly
Check that parameter (F04*, F05*, E166,
E167, E169, E170, E171, E172, E173, E174,
E175, E176, E177, E178, E179) data match-
es motor specifications.
 
(3) Wiring between the
inverter and motor is
too long
Check that wiring between the inverter and
motor does not exceed 50 m.
(Smaller inverter capacity will be more im-
pacted by wiring length)
Review layout so that wiring between
the inverter and motor can be made
shorter.
  Alternatively, shorten wiring lengths as
much as possible.
Does not use automatic tuning, and
does not use automatic torque boost
  (Set parameter E112*/E113*=0)
(Er7)
 
Tuning error
(4) Major discrepancy
between the inverter
rated capacity and the
capacity of the connect-
ed motor
Check that the capacity of the connected
motor is lower than three or more ranks of
the inverter rated capacity, or higher than
two or more ranks.
Review the inverter capacity
.
Manually set the motor constant (pa-
rameter P06*,P07*,P08*).
Does not use automatic tuning, and
does not use automatic torque boost
  (Set parameter E112*/E113*=0)
 
(5) A special motor,
such as a high-speed
motor
Does not use automatic tuning, and
does not use automatic torque boost
  (Set parameter E112*/E113*=0)
 
(6) Tuning operation
during which the motor
is rotated with the brake
applied (parameter
P04*=2) performed
Tune the motor while stopped (parame-
ter P04*=1).
Release the brake then tune the motor
(parameter P04*=2).
9 Troubleshooting
9-8
M1 Series Standard Type User's Manual (I669)

Table of Contents

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Omron M1 Series and is the answer not in the manual?

Omron M1 Series Specifications

General IconGeneral
Input Voltage200-240V AC
Output Voltage3-phase 200 to 240 VAC
Protection FunctionsOvercurrent, Overvoltage, Undervoltage, Overheating, Short Circuit
CommunicationRS-485, Modbus RTU
EnclosureIP20
Cooling MethodFan Cooled
Operating Temperature-10°C to +50°C
Humidity5-95% (non-condensing)
AltitudeUp to 1000m
Frequency Range0.5-400 Hz
Storage Temperature-20°C to +65°C

Related product manuals