Daikin Altherma 3 H HT ECH2 O Referenzhandbuch Für Den Monteur Seite 43

Error Code Component/Designation Error
number
9031 L5 Electrical components
overvoltage fault
9032 L8 Electrical components
9033 L9 Electrical components
9034 LC Electrical components
9035 P1 Inverter circuit board in the
heat pump outdoor unit
9036 P4 Temperature sensor R10T
on inverter circuit board in
the heat pump outdoor
unit
(only in 11–16 kW system)
9037 PJ Output setting
9038 U0 Sensors and parameter
settings in the heat pump
outdoor unit
Daikin Altherma ETS(X/H)(B)-D
Heat pump (indoor unit) with integrated heat accumulator
008.1447299_00 – 06/2019 – EN
Possible error rectification
Electrically defective If the error occurs <15x, the functional safety of the indoor unit is
still guaranteed.
▪ Sporadic message during continuous self-monitoring by the
device.
▪ No further measures are required.
If the error occurs 15x, it is locked and may have the following
causes:
▪ Current mains overvoltage.
▪ Refrigerant compressor blocked or defective.
▪ Inverter circuit board in the heat pump outdoor unit defective.
▪ Wiring, poor contact.
▪ Service valves in the heat pump outdoor unit not open.
▪ Check, eliminate cause, replace.
▪ If necessary, contact service partner.
Electrically defective ▪ Refrigerant compressor defective.
▪ Inverter circuit board in the heat pump outdoor unit defective.
▪ Check, replace.
▪ If necessary, contact service partner.
▪ Refrigerant compressor blocked or defective.
Electrically defective
▪ Pressure difference between high and low pressure side too
high before starting refrigerant compressor.
▪ Service valves in the heat pump outdoor unit not open.
▪ Check, eliminate cause, replace.
▪ If necessary, contact service partner.
Electrically defective Communication error - internal communication in the heat pump
outdoor unit lost.
▪ Electromagnetic influences.
▪ Perform reset.
▪ Main circuit board in the heat pump outdoor unit defective.
▪ Inverter circuit board in the heat pump outdoor unit defective.
▪ Fan motor defective.
▪ Wiring, poor contact.
▪ Check, eliminate cause, replace.
▪ If necessary, contact service partner.
AG circuit board defective No supply voltage from the mains connection.
▪ Inverter circuit board in the heat pump outdoor unit defective.
▪ Check, eliminate cause, replace.
▪ If necessary, contact service partner.
Electrically defective Overtemperature in the heat pump outdoor unit
▪ Inverter circuit board in the heat pump outdoor unit defective.
▪ Temperature sensor on inverter circuit board defective, plug con-
nection X111A not correct.
▪ Check, eliminate cause, replace.
▪ If necessary, contact service partner.
Power setting for heat ▪ Contact service partner.
pump outdoor unit incor-
rect
Refrigerant leak Refrigerant loss.
▪ Refrigerant quantity too low. See error code 9015 / E4.
▪ Blockage or leak in refrigerant line.
▪ Check, eliminate cause, top up refrigerant.
7 Faults and malfunctions
Installer reference guide
43