6
Troubleshooting
The maintenance date for the system is set using the
|1.4.2 Next maintenance|
menu item.
Display text
PFC
1
Possible cause
Remedial measure
|Battery error|
E
Battery is missing, is faulty or volt-
age less than 13.5V.
Check battery charge state, correct
connection and damage to the battery
connection terminals.
|Maintenance date|
(flash-
ing)
-
Maintenance date is reached.
No maintenance date entered.
Carry out maintenance.
Enter maintenance date.
|Undercurrent 1
or
2|
-
Minimum power consumption of
the pump not reached.
Control unit-pump cable inter-
rupted.
Pump is defective.
Carry out pump maintenance as
described in the instructions, replace
the pump if necessary.
|Overcurrent 1
or
2|
-
Maximum power consumption of the
pump exceeded, possible impeller
blockage.
Carry out pump maintenance as
described in the instructions, replace
the pump if necessary.
|Relay error 1
or
2|
E
Power contactor does not switch off. Contact a service technician.
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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