Wilo Yonos GIGA-N 80 Installation And Operating Instructions Manual page 69

Classification No.
E030
E031
E032
Electronic
module error
E033
E035
E050
Communica-
tion errors
E051
E052
Installation and operating instructions Wilo-Yonos GIGA-N
Faults, causes and remedies
Fault Cause
Excess elec- Restricted air
tronic module supply to heat
temperature sink of elec-
tronic module
Hybrid/power Ambient tem-
section excess perature too
temperature high
Intermediate Voltage fluctu-
circuit under- ations in the
voltage mains
Intermediate Voltage fluctu-
circuit over- ations in the
voltage mains
DP/MP: mul- Multiple in-
tiple instances stances of
of same iden- same identity
tity
BMS commu- Bus commu-
nication nication inter-
timeout rupted or timed
out, cable
breakage
Impermissible Different
DP/MP com- pumps
bination
DP/MP com- MP communic-
munication ation cable de-
time-out fective
Remedy Error type
Provide unob- B
structed air ac-
cess
Improve room B
ventilation
Check elec- F
trical installa-
tion
Check elec- F
trical installa-
tion
Reallocate E
master and/or
slave (see
"Twin-head
pump installa-
tion/Y-pipe in-
stallation"
chapter)
Check cable F
connection to
building auto-
mation
Contact cus- F
tomer service
Check cable E
and cable con-
nections
en
A
A
D
D
E
F
F
E
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