DWT BWT PERMAQ Pico 10-90, Installation And Operating Manual

Page: 43 / 64

OPM BWT PERMAQ® Pico Rev. 2.0 EN Alarms and fault elimination | 9
EN
43
9 Alarms and fault elimination
9.1 Alarm overview
If a predefined limiting value is exceeded, an audible alarm is issued and an alarm message is
shown on the display. If necessary, the device automatically switches off in this case. The
device remains in alarm mode until the alarm is acknowledged. The last 20 alarms (ring
memory) can be stored and viewed. If the memory is full, the existing messages are success-
ively overwritten.
The following alarm categories are available:
A1 alarms – HARD STOP When an A1 alarm occurs, the device switches off immediately (
OFF
position). An audible alarm is issued and an alarm message is dis-
played. The device must then be restarted manually.
A2 alarms – SOFT STOP When an A2 alarm occurs, the device switches off in controlled pro-
gramme steps (
OFF
position). ). An audible alarm is issued and an
alarm message is displayed. The device must then be restarted
manually.
A3 alarms – messages The device remains in the current programme step and continues its
normal operation. The A3 alarms should be understood as “preced-
ing alerts” or “warnings”.
Table 8: Alarm categories
Processing alarms
ü In the event of a malfunction, repair work must be performed only by qualified specialist
personnel.
1) If the device malfunctions, first check the electrical power supply and water supply.
2) Press the
OK button
once to acknowledge the audible alarm.
3) Press the
OK button
repeatedly to acknowledge the alarm messages.
4) Search for the relevant alarm message in the chapter Troubleshooting for A1 alarms [
}
44]
and proceed as described in the column “Possible corrective action”.
Alarm list for BWT PERMAQ® Pico
A1 alarm A2 alarm A3 alarm
A1 Voltage 24V low A2 External soft stop A3 Ext. tank empty
A1 Battery low A2 Error bypass A3 Refill Antiscalant
A1 HP pump error A2 COND1 extern high A3 Refill NaOH
A1 External hard stop A2 External tank full A3 Change of filter ele-
ments
A1/A3 Inlet pressure low A2 COND2 extern high A3 Service interval
A2 Antiscalant empty A3 Error COND1
A2 NaOH empty A3 Error COND2
A2 Terminal error
A2 WCF high
Table 9: Alarm list