Daikin EHSXB04P30A — installation and Maintenance Guide for Heat Pump Systems [48/68]
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Daikin EHSXB04P30A — installation and Maintenance Guide for Heat Pump Systems [48/68]

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Daikin EHSH16P50A [48/68] X errors malfunctions and messages
Installation and maintenance manual
48
Daikin Altherma EHS(X/H)
Daikin Solar tank with integrated interior heat pump unit
008.1420744 – 06/2015
7 x Errors, malfunctions and messages
E9009 AA
STB fault
Optional: STB backup
heater (EKBUxx)
Thermal protection switch (STB) on Backup Heater (EKBUxx) was
triggered.
● Replace backup heater (EKBUxx).
E9010 AC Bridge on board A1P
Bridge of connection socket "X21A" missing on board A1P.
● Plug in strapping plug.
E9011 C0 Fault flow sensor Flow sensor FLS
Flow sensor FLS defective.
● Replace flow sensor FLS.
E9012 C4
Fault feed flow
sensor
Flow temperature sensor
t
V2
or t
V, BH
Measurement outside the permitted value range. Sensor or con-
nection cable defective.
● Check, replace.
E9013 E1 OU main board def
Main board of the heat
pump exterior unit
– Main board in the heat pump exterior unit defective.
– Ventilator motor defective.
● Check, replace.
E9014 E3
Coolant over-pres-
sure
High pressure switch
S1PH in the coolant sys
-
tem
Pressure in refrigerant system is too high.
– High pressure switch S1PH or ventilator motor defective.
● Check, replace.
– Poor cable contact.
– Flow in the heating system too low.
– Filled coolant quantity too high.
● Check, replace.
– Service valve in the heat pump exterior unit not open.
● Service valve open.
E9015 E4
Coolant under-
pressure
Pressure sensor S1NPH
in the heat pump exterior
unit
Pressure in the coolant system is too low.
– Coolant quantity too low.
● Check, correct cause, refill coolant.
– Pressure sensor S1NPH in the heat pump exterior unit defec-
tive.
– Temperature sensor lamella heat exchanger R4T in the heat
pump exterior unit defective.
– Solenoid valve in the heat pump exterior unit not open.
– Main board in the heat pump exterior unit defective.
● Check, replace.
E9016 E5 Load protec comp
Electronic overload pro-
tection in the coolant com-
pressor
Coolant compressor overload protection triggered. Pressure dif-
ference between the high and low pressure sides in the coolant
circuit too high (>26
bar).
– Coolant compressor defective.
– Inverter board in the heat pump exterior unit defective.
– Coolant compressor / inverter board cabling, poor contact.
– Filled coolant quantity too high.
● Check, replace.
– Service valve in the heat pump exterior unit not open.
● Service valve open.
E9017 E7 Fan blocked
Ventilator motor in the
heat pump exterior unit
– A fan in the external heat pump device is blocked.
● Check ventilator for the effects of contamination or
blockages, if necessary clean and clear blockage.
– Ventilator motor defective.
– Ventilator motor, poor contact.
– Overvoltage at the ventilator motor.
– Fuse in the heat pump exterior unit defective.
– Inverter board in the heat pump exterior unit defective.
● Check, replace.
E9018 E9 Expansion valve
Electronic expansion
valve
The electronic expansion valve in the external heat pump unit is
defective, replace.
Code Malfunction /
Error message
Component/Designation Causes and possible error correction
Display Internal

Содержание

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