Display text
PFC
1
Possible cause
Remedial measure
|Phase failure|
-
Phase L2 or L3 is no longer applied. Check power supply cable and fuses.
|Rotating field error|
E
Incorrect rotating field of the mains
connection.
Swap 2 phases of power cable.
|Motor protection 1 or
2|
E
Motor protection switch has tripped
- motor protection switch set incor-
rectly.
Pumping current too high due to
faulty or blocked pump.
Excessive current due to phase fail-
ure.
Set current value according to
pump.
Remove blockage.
Replace pump, if defective.
Check mains for phase failure.
|Pressure loss|
E
Hose at the fitting to the immer-
sion pipe (or submersible pressure
switch) or control unit is leaking.
Check tightness of the pressure sen-
sor system.
|Relay operating
cycles|
E
Maximum operating cycles
exceeded.
Can be acknowledged. Inform cus-
tomer service. Error appears after a
further 1000 operating cycles.
|Max. run time 1
or
2|
E
Pump runs too long per pumping
operation.
Check the system design, if neces-
sary, inform the customer service.
|Max. run occur 1
or
2|
-
Pump runs too frequently within a
short time.
Check the system design, if neces-
sary, inform the customer service.
|Communication error|
E
Telecontrol modem error
no network/credits, no connection to
the modem, equipment fault
EN
010-532_02_SON
Installation and operating instructions
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Summary of Contents for Aqualift Comfort 400V Duo
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