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A2.2
Alarms
The pump controller generates an alarm when a serious problem is encountered.
Depending on the reason for the alarm, the whole system or just the booster will shut down - refer to
and
4.5
for more information about alarms.
If the system has shut down due to an alarm, rectify the problem before trying to re-start the pump.
Once the problem that caused the alarm has been resolved, the alarm is cleared by the pump controller.
A2.2.1
LED alarm indicators
Alarms are indicated on the LEDs on the front control panel, the rear panel and on the PDT if fitted.
The alarm LEDs on the front control panel and rear panel illuminate continuously when an alarm is generated.
If a PDT is fitted, the alarm LED flashes to indicate a new alarm. Refer to
alarms are indicated and how they can be acknowledged using the PDT.
Once all the alarms are cleared, the alarm LEDs extinguish.
A2.2.2
PDT alarms
If a PDT is fitted, each alarm triggers an alarm message to be displayed. Refer to
on how alarms are handled by the PDT.
Table A14
lists the alarm messages that might be displayed on the PDT with possible causes and actions that should
be taken.
Warning Message
'Action' Message on
on PDT
PDT
Alarm 1.01
-
Stop Activated
Alarm 1.01
-
Sys Config Fault
Alarm 54.12
See manual
MB Temp High
Alarm 55.12
See manual
DP Temp High
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Edwards and the Edwards logo are trademarks of Edwards Limited.
Table A14 - Alarms
Possible Cause
- The emergency stop has been
activated.
- There is a fault with the EMS
circuit or the EMS link plug has not
been fitted or has come
disconnected.
The pump system type has not
been set properly.
The booster temperature has
reached the maximum allowed so
the booster has stopped.
The dry pump internal
temperature has reached the
maximum allowed so the system
has stopped.
A540-55-880 Issue D
Appendix A1.3
for more information on how
Appendix A1.3
for more information
Action
If the EMS button has been used
on the pump, refer to
to re-set it. Otherwise check and
reset the EMS circuit and re-start
the pump.
Note:
The alarm message will
remain on the display
until the pumping system
is restarted.
Contact Edwards for a service
engineer to configure the pump
system type correctly or replace
the pump controller electronics.
Refer to
Section 4.5
the temperature that triggered
the alarm.
See Warning 54.11 for causes and
actions.
See Warning 63.11 for causes and
actions.
Section 4.4
Section 4.6
to determine
Page 57
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