Diagnostics - Best E5 Series User Manual

E5 User Manual
Fault Fault
code Display
40 AIP
41 LoU
45 PlL

6.4 Diagnostics

6.4.1 Press running key but motor does not rotate.
1. False running mode setting, i.e., start running by operation panel in external terminal
control mode, or , start by external terminal in operation panel mode.
2. Frequency command is too low or no frequency command is set
3. False peripheral wiring, e.g. false 2-wire system, 3-wire system and false setting of relative
parameters.
4. False setting of multi-functional output terminal (in external terminal control mode)
5. Inverter is in fault protection condition
1. Motor fault
2. Inverter fault
6.4.2 Parameter is not settable.
1. User password is locked. Please unlock it then set parameter.
2. Inverter is under running.
3. Abnormal connector wiring and abnormal digital operator communication. Disassemble
the operator after power-off and assemble it for another try.
6.4.3 Motor cannot reverse.
Check whether P067 is set as 1. If it is set as 0 then reverse is forbidden.
6.4.4 Motor rotates oppositely.
False motor output wiring. Please exchange the connection of any two lines among U, V, W.
Fault
description
supply damaged
out-of-limit
Control board damaged
Control board damaged
AI input
out-of-limit
AI input is too high or low
Input voltage abnormal
Undervolta
ge
Switching power supply
protection
abnormal
PID feedback channel
PID
abnormal
detection
Inappropriate setting of
out-of-limit
PID parameters
- 185 -
Chapter 6 Trouble Shooting Easures
Causes Solutions
Seek services
Seek services
Set AI input within
correct range
Check input power grid
voltage
Seek services
Check the feedback
channel
Set properly