89
Elmark Automatyka S.A.
ul. Niemcewicza 76, 05-075 Warszawa, tel. (+48) 22 773 79 37; [email protected]; www.elmark.com.pl
NIP: 5252072585; KRS: 0000803828, Sąd Rejonowy dla M-St. Warszawy, XIV Wydział Gosp. KRS; Kapitał Zakładowy 525.000 zł, w pełni opłacony
Fault Name
Display
of
Panel
Possible Causes
Solutions
Pulse-by-pulse current
limit fault
CBC
1: The load is too heavy or locked-rotor occurs
on the motor.
2: The AC drive model is of Too small power
class.
1: Reduce the load and check the motor
and mechanical condition.
2: Select an AC drive of higher power
class.
Too large speed deviation
fault
ESP
1: The encoder parameters are set incorrectly.
2: The motor auto-tuning is not Performed.
3: Parameters of too large speed deviation
P9.69 and P9.70 are set incorrectly.
1: Set the encoder parameters
properly.
2:Perform the motor auto- tuning.
3: Set P9.69 and P9.70
correctly based on the actual situation.
Motor over- speed fault
oSP
1: The encoder parameters are set Incorrectly.
2: The motor auto-tuning is not Performed. 3:
Motor over-speed detection parameters P9.69
and P9.70 are set incorrectly.
1: Set the encoder parameters
properly.
2: Perform the motor auto- tuning.
3: Set motor over- speed detection
parameters correctly based on the
actual situation.
5.2
Common Faults and Solutions
You may come across the following faults during the use of the AC drive. Refer to the following table for simple fault analysis.
Table 5-1 Troubleshooting to common faults of the AC drive
SN
Fault
Possible Causes
Solutions
1
There is no display
when the power is on.
1: There is no power supply to the AC drive or the power
input to the AC drive is too low.
2: The power supply of the switch on the drive board of the
AC drive is Faulty.
3: The rectifier bridge is damaged.
4:Thecontrol board or the operation panel is faulty.
5: The cable connecting the control board and the drive
board and the operation panel breaks.
1: Check the power supply.
2: Check the bus voltage.
3:Looking for technical support
2
'2000' is
displayed when the
power is on.
1: The cable between the drive board and the control board
is in poor contact.
2: Related components on the control board are damaged.
3: The motor or the motor cable is short circuited to the
ground.
4:The HALL device is faulty.
5: The power input to the AC drive is too low.
Looking for technical support
3
' GND' is
displayed when the
power is on.
1: The motor or the motr output cable is short-circuited to
the ground.
2: The AC drive is damaged.
1: Measure the insulation of the
motor and the output cable with a
megger.
2: Looking for technical support
Summary of Contents for elmatic ED2000
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