Daikin VRV III RXYQ5-54PY1, Руководство по обслуживанию, Страница: 227 / 398

Troubleshooting by Remote Controller Si34-601A
216 Troubleshooting
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".
* Refer to P.184 for Monitor mode.
* Refer to P.184 for Monitor mode.
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
Abnormal discharge pressure HPS activated E3
Abnormal suction pressure Abnormal Pe E4
Compressor lock Detection of INV compressor lock E5
Activation of OC Detection of STD1 compressor lock E6
Detection of STD2 compressor lock
Over load, over current,
abnormal lock of outdoor unit fan motor Instantaneous over current of DC fan 1 motor E7
Detection of DC fan 1 motor lock
Instantaneous over current of DC fan 2 motor
Detection of DC fan 2 motor lock
Malfunction of electronic expansion
valve EV1 E9
EV2
EV3
Abnormal position signal of outdoor
unit fan motor Abnormal position signal of DC fan 1 motor H7
Abnormal position signal of DC fan 2 motor
Faulty sensor of outdoor air
temperature Faulty Ta sensor (short) H9
Faulty Ta sensor (open)
Abnormal discharge pipe temperature Abnormal Td F3
Abnormal heat exchanger temperature Refrigerant over charge F6
Faulty current sensor Faulty CT1 sensor J2
Faulty CT2 sensor
Faulty sensor of discharge pipe
temperature Faulty Tdi sensor (short) J3
Faulty Tds1 sensor (short)
Faulty Tds2 sensor (short)
Faulty Tdi sensor (open)
Faulty Tds1 sensor (open)
Faulty Tds2 sensor (open)
Faulty sensor of suction pipe
temperature Faulty Ts1 sensor (short) J5
Faulty Ts1 sensor (open)
Faulty Ts2 sensor (short)
Faulty Ts2 sensor (open)
Faulty sensor of heat exchanger
temperature Faulty Tb sensor (short) J6
Faulty Tb sensor (open)
Malfunction of the liquid pipe
temperature sensor Faulty TI sensor (short) J7
Faulty TI sensor (open)
Faulty sensor of subcool heat
exchanger temperature Faulty Tsh sensor (short) J9
Faulty Tsh sensor (open)
Faulty sensor of discharge pressure Faulty Pc sensor (short) JA
Faulty Pc sensor (open)
Faulty sensor of suction pressure Faulty Pe sensor (short) JC
Faulty Pe sensor (open)
Instantaneous power failure
∗
NO display on remote controller
(Judge during compressor operation) (L2)
Inverter radiation fin temperature rising Over heating of inverter radiation fin temperature L4
DC output over current Inverter instantaneous over current L5
IGBT malfunction 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