
Error code Description
1E0
EEPROM error - main board
2E0
EEPROM error - inverter A module
3E0
EEPROM error - inverter B module
E1
phases sequence - control from main board
E2
communication error between main board and keypad
E3
“Total” outlet water temperature probe Tw fault (only for master unit)
E4
outlet water temperature probe Two fault
1E5
condenser temperature probe T3A fault
2E5
condenser temperature probe T3B fault
E6
storage temperature probe T5 fault
E7
room temperature probe T4 fault
E8
phases sequence
E9
no flow (manual reset) Ddained system
1Eb
antifreeze probe Taf1 fault
2Eb
antifreeze probe Taf2 fault
EC
Slave unit module reduction
1Ed
Sensor outlet temperature compressor A
2Ed
Sensor outlet temperature compressor B
1EE
refrigerant temperature probe T6A
2EE
refrigerant temperature probe T6B
EF
return water temperature probe
EH
autotest error
EP
Outlet temperature sensor
EU
condenser total temperature probe Tz
P0
High pressure/high temperature at outlet
P1
low pressure
P2
High temperature outlet condenser total Tz
P4
compressor A in protection
P6
module error
P7
condenser high temperature
P8
Reserved
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