Edwards GXS Series

Remedy Contact us for a service engineer to congure the pump system type correctly or
replace the pump controller electronics.
Fault Alarm 39.12 - Exh Press High
Acon message - Exhaust Blocked, Service Pump
Cause The exhaust pressure has reached the maximum allowed.
Remedy Refer to Unplanned shut down and alarms on page 61 to determine the exhaust
pressure that triggered the alarm. Refer to Warning 39.11 - Exh Press High on page
164 for the causes and acons.
Fault
Alarm 54.12 - MB Temp High
Acon message - See manual
Cause The booster temperature has reached the maximum allowed so the booster has
stopped.
Remedy Refer to Unplanned shut down and alarms on page 61 to determine the
temperature that triggered the alarm.
Refer to Warning 54.11 - MB Temp High on page 164 for the causes and acons.
Fault
Alarm 55.12 / Alarm 63.12 - DP Temp High
Cause The dry pump internal temperature has reached the maximum allowed so the dry
pumping system has stopped.
Remedy Refer to Warning 55.11/ Warning 63.11-DP Temp High on page 164 for the causes
and acons.
Fault Alarm 174.10 - Booster Stopped
Cause The booster speed is too low - the rotor is probably locked.
Remedy Contact us.
Fault Alarm 176.01 - MB INV xxxx yyyy
Cause The booster inverter has raised an alarm and stopped the dry pumping system.
Remedy Refer to Inverter warnings and alarms on page 170 for more informaon.
Fault
Alarm 176.01 - MB Not Running
Cause The booster inverter will not start
‑up when requested.
Remedy Check the inverter fault history.
Page 168
M58800880_H - Fault nding