Daikin Altherma EHS04P30B Instructions D'installation Et D'utilisation page 145

Code Malfunction /
Error messages
Display Internal
E9030 L4
E9031 L5
Electrical defect
E9032 L8
E9033 L9
E9034 LC
E9035 P1 OU main board def
E9036 P4 Electrical defect
E9037 PJ Setting output
Daikin Altherma EHS(X/H)
Daikin Altherma integrated solar unit
008.1441399_02 – 01/2021 – EN
8
Component/Designation
Excess temperature in the heat pump exterior unit
– Very high external temperature.
Temperature sensor R10T
– Insufficient cooling of the inverter board.
on the inverter board in the
– Air suction inlet contaminated / blocked.
heat pump exterior unit
– Inverter board in the heat pump exterior unit defective.
(only in 11-16 kW – Temperature sensor on inverter board defective, plug connec-
systems)
a) If the fault <15x occurs, the functional safety of the Daikin
b) If the fault arises 15x, it acts as a lock and can have the fol-
Overvoltage error in elec-
trical components
– Coolant compressor defective.
– Inverter board in the heat pump exterior unit defective.
– Coolant compressor blokced or defective.
– Before starting the coolant compressor, pressure difference
– Service valve in the heat pump exterior unit not open.
Electrical components
Communication error - Internal communication in the heat pump
exterior unit disrupted
– Electromagnetic influences.
– Main board in the heat pump exterior unit defective.
– Inverter board in the heat pump exterior unit defective.
– Ventilator motor defective.
– Cabling, poor contact.
– No supply voltage from the mains connection.
Inverter board in the heat – Inverter board in the heat pump exterior unit defective.
pump exterior unit
Excess temperature in the heat pump exterior unit
Temperature sensor R10T
– Inverter board in the heat pump exterior unit defective.
on the inverter board in the
– Temperature sensor on inverter board defective, plug connec-
heat pump exterior unit
(only in 11-16 kW
systems)
Power setting for the heat
pump exterior unit incor-
rect
x Errors, malfunctions and messages
Causes and possible error correction
tion X111A not correct.
Check, correct cause, replace.
If necessary contact Daikin service technician.
Altherma EHS(X/H) still remains.
Sporadic message during the continuous self-monitoring
of the unit.
No additional measures are required.
lowing causes:
– Current mains overvoltage.
– Coolant compressor blokced or defective.
– Inverter board in the heat pump exterior unit defective.
– Cabling, poor contact.
– Service valve in the heat pump exterior unit not open.
Check, correct cause, replace.
If necessary contact Daikin service technician.
Check, replace.
If necessary contact Daikin service technician.
between the high and low pressure sides too high.
Check, correct cause, replace.
If necessary contact Daikin service technician.
Perform reset.
Check, correct cause, replace.
If necessary contact Daikin service technician.
Check, correct cause, replace.
If necessary contact Daikin service technician.
tion X111A not correct.
Check, correct cause, replace.
If necessary contact Daikin service technician.
Contact a Daikin service technician.
Installation and operating instructions
63