5-5
NO
E310 INV Fault
NO
YES
Is fault known?
Fault signal?
Is the fuse
intact
?
Replace I.G.B.T
Replace fuse
Replace DM
Check burnt and damaged
parts
Visually check controller and
Drive boards
Check according to displayed
fault messages
Apply the power
Replace the defective boards
*
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YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
有
Symptoms other than burn
out, damage, or fuse meltdown in
the inverter?
Are displays and
indicators of the
operating unit working
normally?
Any fault
display?
3 fault values in
12-2
YES
YES
YES
YES
YES
YES
YES
YES
Is the main circuit
DM intact?
Is the main circuit
I.G.B.T intact?
Is the DC input voltage
controlling the power
correct
Replace control board and
digital operating unit
Is the error eliminated
after replacing control
board?
5.3 Quick troubleshooting of E310
What’s the
message?
Any fault
display?
Check 3 fault values of 12-2 with
▼
key.
Is LED lit?
Is +5V control
voltage correct?
Replace the driver board
Check terminals and wiring
Replace the pre-charge resistor
Perform detailed check
The inverter has faulted
Any visual abnormalities?
Any
Symptoms of burn
out and damage?
NO
YES
z
DM =Diode Mdule
z
I.G.B.T =Insulat Gate Bipolar Transistor