Replacing The Sim Card; Fault Finding; Warning And Alarm Codes; Restarting The Aqtap - Grundfos AQtap Service Instructions With Installation And Operating Instructions

10.3 Replacing the SIM card

Switch off the power supply, both grid and solar, and
disconnect the battery before replacing the SIM card.
Caution
The SIM card will not be read by the AQtap until it
was powered off and on again.
Disable the PIN protection of the SIM card. PIN
Caution
protected SIM cards lead to malfunction.
10.3.1 Preparing the new SIM card
1. Insert the SIM card into a mobile phone, and set the "PIN
code request" option to "OFF".
2. Write down the following:
– Mobile phone number of the SIM card.
10.3.2 Replacing the SIM card
1. Close the shut-off valve.
2. Switch off the power supply, both grid and solar.
3. Open the cabinet.
4. Disconnect the blue battery cable at the minus (-) pole on the
left side.
5. Take out the SIM card.
6. Insert the new SIM card into the CIM.
– Place the SIM card in the mould of the slide.
– Slide the SIM card into the slot.
7. Connect the blue cable to the minus (-) pole on the left side.
8. Close the cabinet and lock it with the keys.
9. Open the shut-off valve.
10. Switch on the power supply.
10.3.3 Updating the AQtap settings in WMS
1. Go to Settings > Dispensers
2. Select the AQtap.
3. Update SIM card: enter phone number with country code.
Select telco operator.
4. Save the settings.
– The updating process can take up to several hours,
depending on the GSM network status on AQtap installation
site.

11. Fault finding

If the AQtap does not operate properly:
1. Carry out maintenance, see section 10.1 Maintaining the
product.
2. Check for displayed warning or alarm codes by means of the
service menu / ServiceCard.
3. Restart the AQtap, see section 11.2 Restarting the AQtap.
If the AQtap still does not operate properly, have the AQtap
serviced by a Grundfos SSP (sales and service partner).

11.1 Warning and alarm codes

11.1.1 Warnings
Code Name
External
015
communication fault
Site acceptance test
025
not completed
036 Valve leakage
058 Water flow too low
084 Memory fault
157 Time fault
159 CIM modem fault
Description
Transaction data upload still not
completed after 48 hours
Site acceptance test (SAT) was
interrupted
Solenoid valve is closed, but flow
is detected
Solenoid valve is open, but flow is
too low
SD card error
Real time clock out of order
CIM 270 error
11.1.2 Alarms
Code Name
040* Battery low
Internal supply
074
voltage too high
Internal supply
075
voltage too low
Internal
076
communication fault
088 Sensor fault
154 Display fault
Flow sensor supply
161
fault
210 Pressure too high
211 Pressure too low
* When solar radiation is back again, recharging of the battery
starts and code 040 is displayed. It takes approximately 15
minutes with code 040 continuously displayed, until the battery
is recharged over a certain voltage. The AQtap restarts
automatically and is operable again.
If this happens more often, an external battery with MPPT
solar charger can be used.

11.2 Restarting the AQtap

11.2.1 Entering the service menu
1. Place the ServiceCard on the right smart card reader.
2. Enter PIN code.
3. Press "OK" to go to the next menu item.
11.2.2 Alarms
1. Alarm sign (red) is displayed.
– "download" button is not displayed.
2. Press "download" button and keep it pressed for
approximately 20 sec.
– "download" button is displayed, as long as it is pressed.
3. Display flashes to confirm successful restart of the AQtap.
– AQtap is idle for a short time.
4. Enter PIN code again to continue, or remove ServiceCard.
Description
Battery is discharged or being
charged
Internal power supply voltage is
too high
Internal power supply voltage is
too low
Internal hardware error in the
control unit
Flow sensor error
Internal error on the HMI board
Sensor supply voltage too low
Water pressure is too high
(> 4 bar)
Water pressure is too low
(< 0.1 bar)
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