Xylem GOULDS e-AB Series, Instruction Manual

Page: 46 / 56

code Description Cause Remedy
E02 Motor overload error • High motor current
• Current absorbed
by the motor too
high
Stop the pump for 5 minutes and
then restart it again; if the problem
continues, contact Xylem or the
Authorised Distributor
E03 DC-bus overvoltage error • DC-bus
overvoltage
• External conditions
cause the
operation of the
pump from
generator
Check:
• the system configuration
• the position and integrity of the
non-return valves
E04 Rotor blocked • Motor stall
• Loss of rotor
synchronism or
rotor blocked by
external materials
• Check that there are no foreign
bodies preventing the pump
from turning
• Stop the pump for 5 minutes
and then start it again
If the problem continues, contact
Xylem or the Authorised
Distributor
E05 EEPROM Data memory
error
EEPROM Data
memory corrupted
Stop the pump for 5 minutes and
then restart it again; if the problem
continues, contact Xylem or the
Authorised Distributor
E06 Grid voltage error Voltage supply out of
operating range
Check:
• the voltage
• the connection of the electric
system
E07 Motor winding temperature
error
Motor thermal
protection trip
• Check for impurities near the
impeller and rotor. Remove
them if necessary
• Check the conditions of
installation and the water and
air temperature
• Wait for the motor to cool down
• If the error persists, stop the
pump for 5 minutes and then
start it again
If the problem continues, contact
Xylem or the Authorised
Distributor
E08 Power module temperature
error
Frequency converter
thermal protection trip
Check the conditions of
installation, and the air
temperature
E09 Generic hardware error Hardware error Stop the pump for 5 minutes and
then restart it again; if the problem
continues, contact Xylem or the
Authorised Distributor
E11 LOW error Lack of water
detection (if P48=
ERR)
Check the water level inside the
tank
E12 Pressure sensor error Missing pressure
sensor (not present in
ACT mode)
Check the condition of the sensor
connection cables
8 Troubleshooting
44 Smart Pump Range INSTRUCTION MANUAL