V1 12/2021 | Art. Nr. 216221 | EA-Nr. 1374
Installation and operating instructions
taconova.com | 21
Error or code
display
Possible causes
Remedie
Pump does not supply
indicator does not
light up
Error in the power
supply
Check the mains voltage on the pump.
If necessary, switch on the circuit breaker
again.
Perform reset *
If the error persists, the pump must be
replaced.
The pump is running
but does not supply
water
Air in the system
vent the system ( see capture 10 )
Valve closed
open the valve
Noise in the system
Air in the system
vent the system ( see capture 10 )
Pump performance to
high
check the pump settings
E1
short circuit temper-
sture sensor
Reports in the event of a short circuit in the
temperature sensor the pump fails and
stops operating. Within 10s after the error
has been corrected a normal operation
resumed.
E2
tempersture sensor not
connected
If the temperature sensor is not connected
the pump fails and stops operating. Within
10s after the error has been corrected a
normal operation resumed.
E3, E4, E5
electronic error
Perform reset *
If the error persists, the pump must be
replaced.
E6
rotor blocked
If the pump is blocked, the motor will stop,
to prevent further damage. After 5 succes-
sive start attempts, the pump will stop and
the error will be displayed. Maintenance
has to be carry out (see chapter 11 in the
instructions).
If the error persists, the pump must be
replaced
E7
electronic error
Perform reset *
If the error persists, the pump must be
replaced.
E9
over voltage protection When the supply voltage is higher than
253V the motor stops and the error will be
displayed.
When the main voltage is normal again, the
pump return back to normal operation after
a maximum of 10 s
Ea
low voltage protection
When the supply voltage is lower than 187V
the motor stops and anerror is displayed.
When the mains voltage is normal again, the
pump returns back to normal operation after
a maximum of 10 s.
Eb
electronic error
Perform reset *
If the error persists, the pump must be
replaced.
TACOFLOW2 PURE PLUS