E-27 - Industrial Hardware Parts
Part List
- Increase
passage
- Deacceleration time is
- Pressure below
modified as a
- Transducer
applicable
2.Increase acceleration
number. A-02 High water pressure protection
boost,Increase voltage
- Returned energy load
- The drive’s input wire
4.Lower torque,Increase
E-21 Drive overheating
devices fault
E-18 Undervoltage in running
C,C1 Analog input, current: 4~20mA, input resistance: 500KΩ
off
Running time reaches set
voltage
and output wire is
Inspect the signal and its
- Fan failed
TA1/TC1 open, TA1/TB1 closed
3.Increase overload
bigger number. 2. Replace the
- Inspect the power
or V/F curve is not
- Inspect load
time
A01 Output alalog,0-10v
- Feedback information
- Abnormal input voltage
TA,TB,TC
2.Too short acceleration time
- Too short acceleration
E-26 PID feedback fault
time
too high
time
voltage
- Increase acceleration
connected together
E-09 Over voltage in speed
- Check transducer for
- Eliminate the air
- Too heavy overload
Note: “○”:The parameter can be modified in both standby and operating status. “●”: The parameter can’t be modified in operating status
bigger size
Parameters Setting Table
acceleration
related devices
E-05 Software over current The same as E-01,E-02,E-03 The same as E-01,E-02,E- 03
E-07 Grounding faults
is bigger than outlet
E-04 Over current in running
inlet flow
E-27 Rs485 fault
acceleration
- Frequently switch on and
Relay output : TA/TC open, TA/TB closed
E-02 Over current in speed
passage
4.Torch increases too high or
Control Board Terminal Diagram
value to be 2. 3. Modify U1-01
short. 2. Torque boost is too high
5V 5V output voltage
time
drive and motor
11 / 21
flow. 2. Modify U1-00
problems
pump. 3. U1-04 Value is set
problems
applicable
External devices
time
TA1,TB1,TC1
- Use new brake resistor
- Use new brake resistor
help
Use absorption circuit to
- Output short circuit or
too big.
Seek for service
below 0.5bar. 3. U1-01 value is set
S+, S- Pump communication
rotates reversely. 3. Water consumption
E-20 Close terminal external
- Actual pressure
- Change fan
- Too high input voltage
time
Ask manufacturer for help
3.Protection value is too
- Check feedback
13 / 21
ground
Inspect the power and
shortage. 2. The power of drive is
- Grid voltage is too low
drive’s output wire
V/F curve not applicable
lost
status. 2. Pressure below
- Too big load
RS485+，RS485- For external monitoring
- Verify the correct
voltage to adjust V/F
0.5bar under the
consumption. 5. Change the U1- 08 value to a
power drive
big power drive
eliminate the surrounding
voltage to adjust V/F curve. E-17 Current detection fault
receiving mistakes under the
12 / 21
protection value
- Air passage blocked
interference
- Inspect the wiring
grid
too high.
fault,Signal from input
- Check grid phase loss
setting
serial communication
- Increase deceleration
feedback to meet the
pump, Water pressure
Improper operation caused
External devices
1.Too big load
modified as 2. 3. U1-04 value is
- No load
- Supply electricity
GND Reference zero potential for 5V,10V,24V
Common Alarm Codes And Solutions
or V/F curve not
Wiring diagram of power board and control board
deceleration
- Incoming water
- Inspect if the motor
E-22 Input phase loss
bigger than that of
temperature is too high
V Analog input ,input : 0~10V, input resistance: 6.8KΩ
- Input voltage is too low
value to a small
E-23 Output phase loss Poor connection between Inspect wiring
transducer . A-03 Low water pressure protection
A-01 Water shortage protection
Fault Code Fault Type Possible Reasons Solutions
- Breakdown of circuit or
direction. 3. Increase the
- Increase acceleration
E-19 Open terminal external
0.5bar ,the pump
E-25 Running time reaches set
E-10 Over voltage in running
bigger than that of
curve. 4. Inspect grid voltage
Alarm code Alarm Description Possible reasons Solutions
deceleration
Data transmitting and
frequency
- Check input wires
E-28 Interference
E-14 underload
time
15bar.
small number. A-04 Low current protection
Inspect the signal and its
Hardware problems Ask manufacturer for help
- Replace with
- The output end of drive
E-16 Motor overload
E-01 Output Short circuit
incoming water
- Big load starts in power
too short. 2. Abnormal input voltage
- Ask manufacturer for
small
devices fault
Digital input
- Contact manufacturer
E-06
24V 24V output voltage
pump or reduce
detecting device. 2. Auxiliary power problems
does not meet setting
end
water
load
- Clean up the air
1.Reduce load or use big
connection
- Inspect the power
- Lower torque
related devices
- Increase inlet
end
- low inlet flow. 2. The power of drive is
flow. 4. U1-08 value is set
value to a
fault,Signal from input
to adjust V/F curve. E-03 Over current in speed
- Inspect power voltage
by the surrounding EMI
Abrupt load change Reduce the fluctuation of
exceeds 15bar
readout exceeds
seperately
- Acceleration time is too
failed
- Virtual connection of
- Input voltage phase loss
connected to ground
E-24 Storage faults Hardware fault Contact manufacturer
or motor is connected to
14 / 21
Input voltage: 9~30V,input resistance: 10KΩ
Internal communication
normal running
malfunction,the
E-15 Drive overload
in the pump. 2. Adjust the
- Reduce load or use
has aging problems. E-08 Over voltage in speed
- Lower torque,Increase
- Decrease carrier
- Wiring inspection
- Modify U1-06
- U1-00 value is
small number. Fault Information And Trouble Shooting
10V Output voltage, current:0-10mA
- Torch increases too high
rotation
Contact capacity: AC250V/3A,DC30V/1A
MO Output terminal,external supply:0-24V,current:0-50mA
- The environment
- Inspect wiring
- Transducer is broken
- Abnormal input voltage
Deceleration time is too short Increase deceleration time
- PID feedback signal is
- Check wiring
Sourcing Information
For quotation, datasheet requests or bulk order inquiries:
- Email: qinmao@qinmaocrane.com
-
- Please provide: exact brand, part number, quantity and application details.
Contact QINMAO
Phone: +86-16768798955
Email: qinmao@qinmaocrane.com
Website: www.qinmaocrane.com
