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Heat pumps · Error codes

Advantix S.p.A heat pump error codes

Advantix S.p.A · A niche brand in the UK. 45 codes across 4 product families, each taken from the manufacturer’s manuals. Advantix S.p.A technical support ↗

Find a Advantix S.p.A engineer →45 codes · reviewed 24 September 2026

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Type the code on your display or a word from its meaning. Each code opens its own page with what it means, whether it is safe and what you can check.

45 codes

CodeMeaningStops?Homeowner check?
E00
Remote off
NoYes
E001
High pressure alarm
YesYes
E002
Low pressure alarm
YesYes
E005
Antifreeze alarm
PartlyYes
E006
Flow alarm
YesYes
E008
Forced compressor shutdown for luck of lubrication
YesYes
E009
Discharge high temperature alarm
YesYes
E010
Solar collector high temperature alarm
Not statedYes
E018
Cooling high temperature alarm
Not statedYes
E020
Inverted trasductors pressure alarm
YesYes
E041
Incongruent temperature alarm
YesYes
E050
DHW storage tank high temperature alarm
Not statedYes
E101
Communication timeout with Slave 1
YesYes
E611
Water inlet probe failure
PartlyYes
E621
Water outlet probe failure
PartlyYes
E631
Compressor intake probe failure
PartlyYes
E641
Compressor discharge probe fault / high pressure switch trip
PartlyYes
E651
Outdoor air probe failure
PartlyYes
E652
Mixer probe failure
PartlyYes
E661
DHW probe failure
PartlyYes
E662
Solar storage tank probe failure
PartlyYes
E671
Plant remote probe failure
PartlyYes
E672
Solar collector probe failure
PartlyYes
E681
Sanitary/remote system probe failure
PartlyYes
E691
Low pressure transducer failure
PartlyYes
E701
High pressure probe failure
PartlyYes
E711
Voltage input failure 0-10V DC
YesYes
E801
Inverter timeout
YesYes
E821
IPM module overcurrent
YesYes
E831
PFC module overheating
YesYes
E841
Inverter abnormal voltage DC Bus side
YesYes
E851
Inverter Hardware problem
YesYes
E861
Inverter current too high
YesYes
E871
High temperature IPM module
YesYes
E881
Supply voltage out of limits
YesYes
E891
One or more compressor supply phases absent
YesYes
E901
Inverter model error
YesYes
E911
Inverter overload error
YesYes
E921
Inverter PFC module overcurrent
YesYes
E931
Internal communication error
YesYes
E941
PFC model fault
YesYes
E951
Inverter board probe error
PartlyYes
E961
Abnormal condition
Not statedYes
E971
EEPROM error
YesYes
E981
High pressure inverter
YesYes