Airwell AW-WHPMA06-91 Installation und Einrichtung - Seite 13
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EE.
Hydronic box EEPROM error
F1
DC generatrix voltage is too low
H0
Communication error between outdoor unit main control chip and hydronic box main control chip
H1
Communication error between outdoor unit main control chip and inverter driver chip
H2
Water side heat exchanger refrigerant outlet (liquid pipe) temperature sensor error
H3
Water side heat exchanger refrigerant inlet (gas pipe) temperature sensor error
H4
Inverter module protection (L0/L1 appear 3 times in one hour)
H5
Room temperature sensor Ta error
H6
DC fan error
H7
Abnormal main circuit voltage
H8
Pressure sensor error
H9
Zone 2 water outlet temperature sensor Tw2 error
HA
Water side heat exchanger water outlet temperature sensor error
Hb
PP protection three times in a row and Twout<7℃
Hd
Communication fault between master unit and slave unit (in parallel)
HE
Communication error between main board and thermostat transfer board
H.F.
Refrigerant system EEPROM error
HH
H6 appears 10 times in 120min
HP
Low pressure protection (pressure < 0.6MPa for 3 times in one hour)
P0
Low pressure protection
P1
High pressure protection
P3
Compressor current protection
P4
Discharge temperature sensor Tp protection
P5
High temperature difference between water side heat exchanger water inlet and water outlet temperatures
protection
P6
Inverter module protection
L0
Inverter module protection
L1
DC bus low voltage protection
L2
DC bus high voltage protection
L4
MCE error
L5
Zero speed protection
L7
Phase sequence error
L8
Compressor frequency variation greater than 15Hz within one second protection
L9
Actual compressor frequency differs from target frequency by more than 15Hz protection
Pb
Water side heat exchanger anti-freeze protection
Pd
High temperature protection of refrigerant outlet temperature of condenser in cooling mode
PP
Water side heat exchanger inlet temperature is higher than outlet temperature in heating/DHW mode
bH
PED board error
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