Classi-
No.
fication
Communica-
E050 BMS communication
tion errors
E051 Impermissible DP/MP
E052 DP/MP communica-
Electronics
E070 Internal communica-
errors
E071 EEPROM error
E072 Power section/fre-
E073 Impermissible elec-
E075 Charging relay defec-
E076 Internal transformer
E077 24 V operating voltage
E078 Impermissible motor
E096 Infobyte not set
E097 FlexPump data record
E098 FlexPump data record
E110 Motor synchronisa-
E111 Excess current
E112 Excess rotation speed Internal electronics error
E121 Motor PTC short-cir-
E122 Interruption to NTC
E124 Interruption to NTC
Impermissi-
E099 Pump type
ble combina-
torics
System
E119 Turbine operation
errors
Tab. 12: Error table
Installation and operating instructions Ixens, Ixens Bloc
Fault
Cause
Bus communication
time-out
interrupted or timed out
Broken cable
Different pumps
combination
Cable MP communication
tions time-out
defective
Internal electronics error
tion error (SPI)
Internal electronics error
Internal electronics error
quency converter
Internal electronics error
tronic module number
Internal electronics error
tive
Internal electronics error
defective
Differential pressure sen-
for differential pres-
sor defective or con-
sure sensor defective
nected incorrectly
Internal electronics error
number
Internal electronics error
Internal electronics error
missing
Internal electronics error
invalid
Internal electronics error
tion error
Internal electronics error
Internal electronics error
cuit
Internal electronics error
power element
Internal electronics error
electronic module
Different pump types
have been intercon-
nected
The flow is driving the
error (flow against
pump impeller; electrical
flow direction; pump
current is being fed back
cannot start)
to the mains
Remedy
Check cable connection to
building automation
Request customer service
Check cable and cable connec-
tions
Request customer service
Request customer service
Request customer service
Request customer service
Request customer service
Request customer service
Check differential pressure
sensor connection
Request customer service
Request customer service
Request customer service
Request customer service
Request customer service
Request customer service
Request customer service
Request customer service
Request customer service
Request customer service
Request customer service
Check the setting; check sys-
tem for proper operation Cau-
tion! Prolonged operation can
cause damage to the module
English
Error type
HV
AC
F
F
F
F
E
E
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
B
A
B
A
B
A
A
A
A
A
A
A
A
A
A
A
121