INVT SPC Series User Manual

SPC Series Solar Pump Inverter Fault diagnosis and solution
-52-
Fault code
Fault type
Possible cause
Solution
communication
wiring.
 The communication
address is incorrect.
 There is strong
interference to the
communication.
interface wiring.
 Set a proper
communication
address.
 Change or replace the
wire or improve the
anti-interference
capability.
ItE
Current detection
fault
 The control board
connector is in poor
contact.
 Hall device is
damaged.
 An exception occurs
on the magnifying
circuit.
 Check the connector
and re-plug.
 Replace the Hall
device.
 Change the main
control board.
tE
Motor autotuning
fault
 The motor capacity
does not match the
inverter capacity.
 Motor parameters
are not set correctly.
 The difference
between the
parameters obtained
from autotuning and
the standard ones is
great.
 Autotuning timed out.
 Change the inverter
model.
 Set the motor type and
nameplate parameters
correctly.
 Empty the motor load.
 Check the motor wiring
and parameter settings.
 Check whether the
upper limit frequency is
higher than 2/3 of the
rated frequency.
EEP
EEPROM
operation error
 Error in reading or
writing control
parameters.
 The EEPROM is
damaged.
 Press STOP/RST for
reset.
 Change the main
control board.
END
Running time
reached
 The actual running
time of the inverter is
longer than the
internal set running
time.
 Ask for the supplier and
adjust the set running
time.

INVT SPC Series Specifications

General

Brand	INVT
Model	SPC Series
Category	Inverter
Language	English