Daikin Altherma 3 H HT ECH2 O Referenzhandbuch Für Den Monteur Seite 47

Error Code Component/Designation Error
number
9066 E9-00 Electronically-controlled
expansion valve is defect-
ive or not well connected.
9067 H4-00 Low-pressure sensor is
defective or not well con-
nected.
9068 H5-00 Compressor overload pro-
tection is defective
9069 J5-00 The sensor display on the
intake manifold is out of
range. (Short circuit or
open connection)
9070 J8-00 The refrigerant liquid
sensor display is out of
range. (Short circuit or
open connection)
9071 L1-00 Inverter circuit board mal-
function due to overcur-
rent or component prob-
lem.
9072 L8-00 Protection defined by in-
verter circuit board due to
overheating due to too
high a load, lightning strike
or too low a speed.
9073 L9-00 Detection of start-up error
after time has elapsed to
avoid compressor shut-
down.
9074 LC-00 Malfunction in communic-
ation system in outdoor
unit (between control and
inverter circuit board,
between control and ACS
circuit board)
9075 P1-00 Malfunction in transmis-
sion system in the outdoor
unit (between control and
inverter circuit board,
between control and ACS
circuit board)
9076 P3-00 Malfunction decision by
exceeding the DC limit
value.
9077 PJ-00 Power settings for outdoor
and indoor unit do not
match.
Incorrect combination of
the units.
9078 U1-00 Open phase or inverse
phase is detected by in-
verter circuit board.
9079 UF-00 Detection of inverted pipes
or faulty communication
wiring
9080 H1-00 Input of the optional ex-
ternal sensor is out of
range.
9081 H6-00 Compressor does not start
after the compressor start
command has been sent
9082 FA-00 High-pressure switch has
been activated.
Daikin Altherma ETS(X/H)(B)-D
Heat pump (indoor unit) with integrated heat accumulator
008.1447299_00 – 06/2019 – EN
Possible error rectification
Malfunction of electronic Contact service partner
expansion valve
▪ Check sensor and plug connections.
Malfunction of low pres-
sure switch
▪ If necessary, contact service partner
Malfunction of compressor Contact service partner
overload protection
Malfunction of suction pipe Contact service partner
thermistor
Malfunction of refrigerant Contact service partner
liquid thermistor
Malfunction of INV PCB Contact service partner
Malfunction triggered by a Contact service partner
thermal protection in the
inverter PCB
Prevention of compressor Contact service partner
lock
Malfunction in communic- Contact service partner
ation system of outdoor
unit
Open-phase power supply Contact service partner
imbalance
Abnormal direct current Contact service partner
Capacity setting mismatch Contact service partner
Malfunction by reverse Contact service partner
phase/open-phase
Reversed piping or bad Contact service partner
communication wiring de-
tection
External temperature Contact service partner
sensor problem
OU: Malfunction of posi- Contact service partner
tion detection sensor
OU: Abnormal high pres- Contact service partner
sure, actuation of HPS
7 Faults and malfunctions
Installer reference guide
47