A541-11-880 Issue A
Page 48
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Appendix A2
Notes:
1. Some of these warnings apply to pump sensors that are only present on certain system variants.
2. Some of these warnings apply to accessories and may only be encountered if the particular accessory is
fitted.
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 (if fitted) will shut down - refer to
and
for more information about alarms.
If the system has shut down due to an alarm, you must rectify the problem before you try 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 and on the PDT if fitted.
The alarm LED on the front control panel illuminates continuously when an alarm is generated.
If a PDT is fitted, the alarm LED flashes to indicate a new alarm. Refer to
for more information on
how alarms are indicated and how they can be acknowledged using the PDT.
Once all the alarms are cleared, the alarm LEDs extinguish. If the warning LED is illuminated then connect a PDT to
determine the warning message and refer to Table A13 to identify the possible cause and corrective actions. If no
PDT is available then you will have to systematically work through the actions listed in Table A13 until the alarm is
cleared.
A2.2.2
PDT alarms
If a PDT is fitted, each alarm triggers an alarm message to be displayed. Refer to
for more
information on how alarms are handled by the PDT.
lists the alarm messages that might be displayed on the PDT with possible causes and actions you should
take.
Warning 153.01
Valve Not Open
Check Gate Valve
The foreline gate valve has failed to open
Check the wiring and air
supply to the Gate valve.
Note:
This warning will
only clear when the
valve has
successfully been
closed and opened.
Warning 186.01
DP Inverter Warn
Code Axxxx Wyyyy
aaaaaaaaaaaaaaaa
Dry pump Inverter has raised a warning
code.
for more
information.
Warning 186.13
No DP Inv Comms
See manual
The pump controller cannot communicate
with the dry pump inverter.
Check the wiring between
the pump controller and the
dry pump inverter.
Table A13 - Warnings (continued)
Warning Message
on PDT
‘Action’ Message
on PDT
Possible Cause
Action