Xylem ECOCIRC - Manual (Page 19)

19
3 x short + 1 x long • Voltage too low / too
high
• Check mains voltage
4 x short • Temperature too high • Pump restarts
automatically
(see the notes below)
• Determine max. system
temperature
2 x short + 1 x long +1 x
short • Self test error • Please contact
authorized service
center or point of
purchase
2 x short + 2 x long • Excess current error • See section 8
Maintenance/
Disassembly”
1 x short + 1 x long + 1 x
short + 1 x long
• Unstable operation • See section 8
Maintenance/
Disassembly”
1 x short + 1 x long + 2 x
short • Start up error • Rotor blocked
• See section 8
Maintenance/
Disassembly”
1 x very short + 1 x long
pause
• Air purge function • Pump runs in air purge
function / color means
mode selected
Proceed as follows for other faults:
Fault Cause Solution
Pump is making
loud noises • Not thoroughly vented
• See section 7.2
“Getting
started”
• Foreign objects in
pump
• See section 8
“Maintenance/
Disassembly”
• Worn out bearing • Replace pump
Note regarding excessive temperatures:
In order to protect the electronics from temperatures that are dangerously
high, the electronic control system monitors its own temperature. If the
measured temperature is too high the pump speed is reduced. If the