Siemens SINAMICS PERFECT HARMONY GH180 Function Manual page 491

Fault Display
One Pump Not Available
Both Pumps Not Available
Coolant Cond > 3 uS
Coolant Cond > 5 uS
NXGPro+ Control Manual
Operating Manual, A5E50491925A
Type Enable
A SOP
F/A SOP
A SOP
F/A SOP
Troubleshooting Faults and Alarms
11.13 Dedicated I/O for Input Protection
Potential Causes and Corrective Actions
Cause
Drive initiated alarm when the OnePumpFailure_O SOP
flag is set true and the OnePumpFailureEn_O flag is true to
enable it. The default is an alarm and it cannot be changed.
This is used in the Standard SOP for water-cooled drives as an
alarm.
Action
1. Check physical input connected to SOP flag.
2. Check for faulty pumps tripped CBs, or obstruction.
Cause
Drive initiated fault/alarm when the AllPumpsFailure_O
SOP flag is set true and the AllPumpsFailureEn_O flag is
true to enable it. The default is a fault, but it can be changed
to an alarm by setting the AllPumpsFailureWn_O flag
true. This is used in the Standard SOP for water-cooled drives
as a trip alarm.
Action
1. Check physical input connected to SOP flag.
2. Check for faulty pumps tripped CBs, or obstruction.
Cause
Drive initiated alarm when
the CoolantConductivityAlarm_O SOP flag is set true
and the CoolantConductivityAlarmEn_O flag is true to
enable it. The default is an alarm and it cannot be changed.
This is used in the Standard SOP for water-cooled drives as an
alarm.
Action
1. Check physical input connected to SOP flag.
2. Check conductivity level.
3. Check ionizer.
Cause
Drive initiated fault/alarm when
the CoolantConductivityAlarm_O SOP flag is set true
and the CoolantConductivityAlarmEn_O flag is true to
enable it. The default is a fault, but it can be changed to an
alarm by setting the CoolantConductivityAlarmWn_O
flag true. This is used in the Standard SOP for water-cooled
drives as a trip alarm.
Action
1. Check physical input connected to SOP flag.
2. Check conductivity level.
3. Check ionizer.
489