Edwards GXS Series Instruction Manual page 172

Remedy Contact us for a service engineer to configure the pump system type correctly or
replace the pump controller electronics.
Fault Alarm 39.12 - Exh Press High
Action message - Exhaust Blocked, Service Pump
Cause The exhaust pressure has reached the maximum allowed.
Remedy Refer to
pressure that triggered the alarm. Refer to
164 for the causes and actions.
Fault Alarm 54.12 - MB Temp High
Action message - See manual
Cause The booster temperature has reached the maximum allowed so the booster has
stopped.
Remedy Refer to
temperature that triggered the alarm.
Refer to
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
and actions.
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
Fault Alarm 176.01 - MB Not Running
Cause The booster inverter will not start‑up when requested.
Remedy Check the inverter fault history.
M58800880_H - Fault finding
Unplanned shut down and alarms
Unplanned shut down and alarms
Warning 54.11 - MB Temp High
Warning 55.11/ Warning 63.11-DP Temp High
Inverter warnings and alarms
Page 168
on page 61 to determine the exhaust
Warning 39.11 - Exh Press High
on page 61 to determine the
on page 164 for the causes and actions.
on page 164 for the causes
on page 170 for more information.
on page