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Goodrive300-16 special inverter for HVAC
Commissioning guidelines
34
Code
Fault
Cause
Solution
SPO
Output phase
loss
U,V,W phase loss input(or
serious asymmetrical three
phase of the load)
Check the output distribution
Check the motor and cable
OH1
Rectifying
module
overheated
Air duct jam or fan damage
Ambient temperature is too
high.
The time of overload running
is too long.
Refer to the overcurrent solution
Redistribute dredge the wind
channel or change the fan
Low the ambient temperature
Check and reconnect
Change the power
Change the power unit
Change the main control panel
OH2
IGBT
overheated
EF
External fault
SI external fault input
terminals action
Check the external device input
CE
485
communication
fault
The baud rate setting is
incorrect.
Fault occurs to the
communication wiring.
The communication address
is wrong.
There is strong interference
to the communication.
Set proper baud rate
Check the communication
connection distribution
Set proper communication
address.
Chang or replace the connection
distribution or improve the
anti-interference capability.
ItE
Current-detect
ing fault
The connection of the control
board is not good
Assistant power is bad
Hoare components is broken
The modifying circuit is
abnormal.
Check the connector and
repatch
Change the Hoare
Change the main control panel
tE
Motor-autotun
ing fault
The motor capacity does not
comply with the inverter
capability
The rated parameter of the
motor does not set correctly.
Change the inverter mode
Set the rated parameter
according to the motor name
plate
Empty the motor load and
Содержание GD300-16
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