Edwards GXS Series Instruction Manual page 175

Dry screw vacuum pump
Table of Contents

Advertisement

Table 58 Inverter alarm codes
Fault code
Bit set
combination
8
1
4
2
1
8
4
2
2
1
8
3
4
2
1
8
4
4
2
1
M58800880_H - Fault finding
Inverter alarms
PDT reported fault name
ACCELERATION_TO
OVERLOAD_TO
SC_MODE_INTERLOCK
FLASH_DOWNLOAD_ FAULT
POST_FAULT
OSTEST _FAULT
EEPROM_FAULT
PWM_TRIP
MISSING_PHASE_ TIMEOUT
EMS
DESAT_FAULT
UNDERT
OVERT
OVERI
OVERV
Reserved
Description
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
Alarm given when the dry pump speed is
below 7 Hz for 3 minutes or 30 minutes for a
booster.
Internal fault, contact us.
Internal fault, contact us.
Internal fault, contact us.
Internal fault, contact us.
Internal fault, contact us.
Inverter output switched off - active when
the drive is not running. Restart the pump or
cycle the power to reset.
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.
EMS has been activated.
Check EMS button at the front and EMS plug
in the back of pump controller.
Internal fault, contact us.
Inverter is too cold. See warning register to
determine the source of problem.
Motor/drive system over temperature. Refer
to warning code to determine source. Check
cooling.
Motor overcurrent
Inverter overvoltage
Reserved
Page 171

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents