Daikin ERQ, Service Manual

Page: 171 / 260

ESIE09-05 Troubleshooting by Remote Controller
Troubleshooting 161
Malfunction code indication by outdoor unit PC board
<Selection of setting item>
<Monitor mode>
<Confirmation of malfunction 1>
To enter the monitor mode, push the
MODE (BS1) button when in
“Setting mode 1”.
Push the SET (BS2) button and set
the LED display to a setting item.
Push the RETURN (BS3) button
once to display "First digit" of
malfunction code.
<Confirmation of malfunction 2>
Push the SET (BS2) button once to
display "Second digit" of malfunction
code.
Push the RETURN (BS3) button and
switches to the initial status of
“Monitor mode”.
∗
Push the MODE (BS1) button and
returns to “Setting mode 1”.
<Confirmation of malfunction 3>
Push the SET (BS2) button once to
display "malfunction location".
Detail
description
on next
page.
<Confirmation of malfunction 4>
Push the SET (BS2) button once to
display "master or slave 1 or slave 2"
and "malfunction location".
Contents of malfunction
Malfunction
code
In-phase malfunction of DIII Net Detection of DIII Net E1
Abnormal discharge pressure HPS activated E3
Abnormal suction pressure Abnormal Pe E4
Compressor lock Detection of INV compressor lock E5
Over load, over current,
abnormal lock of outdoor unit fan motor
Detection of DC fan 1 motor lock E7
Detection of DC fan 2 motor lock
Malfunction of electronic expansion
valve
EV1 E9
EV3
Faulty sensor of outdoor air
temperature
Faulty Ta sensor (short) H9
Abnormal discharge pipe temperature Abnormal Td F3
Abnormal heat exchanger temperature Refrigerant over charge F6
Faulty sensor of discharge pipe
temperature
Faulty Tdi sensor (short) J3
Faulty sensor of suction pipe
temperature
Faulty Ts1 sensor (short) J5
Faulty Ts2 sensor (short)
Faulty sensor of heat exchanger
temperature
Faulty Tb sensor (short) J6
Malfunction of the liquid pipe
temperature sensor
Faulty TI sensor (short) J7
Faulty sensor of subcool heat
exchanger temperature
Faulty Tsh sensor (short) J9
Faulty sensor of discharge pressure Faulty Pc sensor (short) JA
Faulty sensor of suction pressure Faulty Pe sensor (short) JC
Faulty Inverter PC board Faulty IPM L1
Abnormal Current sensor offset
Abnormal IGBT
Faulty Current sensor
Abnormal SP-PAM over-voltage
Inverter radiation fin temperature rising Over heating of inverter radiation fin temperature L4
DC output over current Inverter instantaneous over current L5
Electronic thermal Electronic thermal switch 1 L8
Electronic thermal switch 2
Out-of-step
Speed down after startup
Lightening detection
Stall prevention (Limit time) Stall prevention (Current increasing) L9
Stall prevention (Faulty start up)
Abnormal wave form in startup
Out-of-step
Transmission error between inverter
and outdoor unit
Inverter transmission error LC
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