OEG EcoComfort - Troubleshooting Guide; Pump Power-On Failures

40
. Tr
oubleshooting
EcoComfort
Warning
Ensure that the power supply is switched off, before the
pump is maintained or repaired.
F ailure
Contr
ol panel Cause of f
ailure
R emedy
Pump cannot
be switched on
Signal lamp
“OFF“
Display E
Power supply
interrupted,
safety device,
circuit interru-
per is tripped
Undervoltage
Checking power
consumers at
each circuit.
Replace fuse
Check power
supply
Overload
protection
Measure vol-
tage,
check power
consumption
Display E
Phase failure
protection
Replace pump
Display E
Motor start-up
failure protection
Replace pump
Display E
Protective
function when
motor is locked
Remove dirt
High-efficiency drinking water circulation pump
GB