Xylem Lowara Genyo plus - Troubleshooting and Alarm Handling; Troubleshooting Safety and Alarm Resetting; Alarm A01: Lack of Water; Alarm A02: Overcurrent

en - Original instructions
Genyo plus, Additional Installation, Operation and Maintenance Instructions 29
8 Troubleshooting
8.1 Precautions
WARNING:
Maintenance must be done by a technician possessing the technica
l-
professional requirements
outlined in the current regulations.
WARNING:
Observe the safety requirements in
Use and operation on page 19 and in Maintenance on
page
28.
WARNING:
If a fault cannot be corrected or is not mentioned, contact Xylem or the Authorised Distributor.
8.1.1 Alarms
When an alarm is triggered, an identification code appears on the display and the LED (11)
shines.
If more than one alarm is triggered, the most recent one appears last in chronological order on
the display.
Resetting an alarm
Under certain circumstances it can be necessary to reset an alarm:
Press the MENU/ENTER button (6), or
1. Disconnect the power supply.
2. Wait 1 minute.
3. Turn on the power supply.
8.2 Alarm A01, lack of water via the software
LED
Cause
Solution
Steady
•
Lack of water
• Pump unit stopped
1. Check the flow of water
2. Reset the alarm
If the alarm is triggered during initial start-up:
1. Reset the alarm
2.
Close the valves
3.
Repeat the start procedure
4. Check that the pump unit stops
Slow flashing
• Lack of water
• ART function activated
8.3 Alarm A02, overcurrent
LED
Cause
Solution
Steady
The absorbed current of the
motor exceeds the value of
parameter 12
1. Check the set nominal current against the value on the motor
rating plate
2. Check the condition of the windings of the motor
3.
Check the power absorption
4.
Check the cross-section of the power cord
5.
Check the length of the power cord: if it is > 30 m (98 ft),
increase the set nominal current by 10%
Slow flashing
• The absorbed current of the
motor exceeds the value of
parameter 12
• ART function activated