Edwards 9773512584, Instruction Manual

Page: 175 / 180

Table 58
Inverter alarm codes
Inverter alarms
Bit set Fault code
combination
PDT reported fault name Description
1
8 ACCELERATION_TO
If the motor has not accelerated to a
minimum speed of 10 Hz within 60 seconds
then the drive will try to restart three times
before giving alarm
4 OVERLOAD_TO
Alarm given when the dry pump speed is
below 7 Hz for 3 minutes or 30 minutes for a
booster.
2 SC_MODE_INTERLOCK Internal fault, contact us.
1 FLASH_DOWNLOAD_ FAULT Internal fault, contact us.
2
8 POST_FAULT Internal fault, contact us.
4 OSTEST _FAULT Internal fault, contact us.
2 EEPROM_FAULT Internal fault, contact us.
1 PWM_TRIP
Inverter output switched off - active when
the drive is not running. Restart the pump or
cycle the power to reset.
3
8 MISSING_PHASE_ TIMEOUT
Indicates a missing input phase. Check power
connections to the pump and fuses in supply.
Warning should appear first and then the dry
pump trips after 10 minutes and the booster
trips after 30 minutes.
4 EMS
EMS has been activated.
Check EMS button at the front and EMS plug
in the back of pump controller.
2 DESAT_FAULT Internal fault, contact us.
1 UNDERT
Inverter is too cold. See warning register to
determine the source of problem.
4
8 OVERT
Motor/drive system over temperature. Refer
to warning code to determine source. Check
cooling.
4 OVERI Motor overcurrent
2 OVERV Inverter overvoltage
1 Reserved Reserved
Page 171
M58800880_H - Fault finding