SME-TS1
Protection device
Details
Malfunction Code
Division
Refer the service manual of each model for more detail Trouble-Shooting.
*Dust collector
External Indoor unit Fan motor Electronic Malfunctions
Temp. of heat Temp. of heat
Capacity
error
protection PCB Interlock error Drain level locked, Swing flap Over current expansion Heater Shortage of of a humidifier
exchanger(1) exchanger(2) *No- setting error
Simple Self-Diagnosis by malfunction code
devices assembly for fan system error overload, motor error of AC input valve drive overheat water supply system (water
maintenance
error error
(Indoor)
activated failure over current error leaking)
Indoor filter error
Unit Sensor Heat exchanger Heat exchanger Sensor system Sensor Remote
Malfunctions Sensor system Suction air Discharge
control Radiation
system of (1) (Liquid pipe) (2) (Gas pipe) error of fan system of Contamination Humidity High pressure
in a sensor of swing flap thermistor air thermistor Trouble Part
Objects
drain water thermistor thermistor motor locked, over-current sensor error sensor error switch error
thermistor sensor error
system motor error error system error
Error Printed Circuit Board
error system error system error overload of AC input error Description of Problem Error Contents
Except
Code Room Air
Outdoor Indoor Remote
Outdoor
PCB SkyAir VRV
Conditioner
Unit
Unit Unit Controller
Outdoor unit Overload of Over current Overload of Electronic (Site installed)
Protection High pressure Low pressure Water Malfunctions Ice thermal
expansion PCB assembly fault or external factor
PCB inverter of STD fan motor Over current Four way Pump motor Protection
Micro-computer in PCB is not working
devices switch (HPS) switch (LPS) temperature in a drain storage unit
(noise etc.)
valve drive
assembly compressor compressor Over current of AC input valve error over current device
activated activated activated abnormal water error
Clogging of dirt in drain pipe, insufficient
failure motor motor of fan motor error activated
Drain level is too high
drain pipe slope, faulty drain pump
Overload or Sensor
Sensor Compressor Compressor Pump motor Heating; Overheating of indoor unit heat exchanger, Dirty air filter, Short circuit or Senser
Water
Malfunctions High Pressure Low pressure Outdoor air Discharge air Sensor system Ice thermal
over current
system of Cooling; Freeze up of indoor unit heat exchanger trouble of heat exchanger
system of motor overload motor over sensor system
Air temperature temperature
in a sensor switch is switch is sensor of thermistor thermistor of drain water storage unit
over-current
power supply sensor is current sensor of over current
thermistor error sensor system
fan motor is
system faulty faulty system error system error is abnormal error (alarm) Fan motor error Fan motor lock, overload or faulty connection
of AC input
error abnormal is abnormal is abnormal
error
abnormal
Swing flap motor error Faulty swing flap motor, faulty connection
No.1 and No.2
No.1 No.2 Discharge Oil
Temp. of heat Discharge Suction
common
protection protection pipe temperature Oil pressure Oil level
protection exchanger(1) pressure pressure
Dust collector error Faulty dust collector or dirty element
device device temperature is abnormally abnormal abnormal
device
abnormal abnormal abnormal
operates. operates. is abnormal high
operates.
Outdoor
Capacity setting error Faulty capacity setting or address setting error
Low pressure Double tube
Sensor system Heat Heat
Unit Oil equalizer
The resistance of the water level sensor is Faulty water level sensor, cable
Discharge pipe Suction pipe Discharge Oil Suction pipe
equivalent heat exchanger
error of Pressure Current exchanger(1) exchanger(2) pipe or liquid Oil pressure Oil level
abnormal. disconnection or short circuit of sensor
thermistor satulated temp. thermistor outlet or gas pipe pressure temperature pressure
refrigerant sensor error sensor error thermistor thermistor pipe thermistor sensor error sensor error
sensor system pipe thermistor The resistance of the indoor unit heat Faulty heat exchanger thermistor, cable
system error system error sensor error sensor error sensor error
temperature system error system error system error
error system error exchanger thermistor is abnormal. disconnection or short circuit of thermistor
The resistance of the indoor unit suction Faulty suction air thermistor, cable
Compressor Stall prevension Communication
Radiation fin Compressor
air thermistor is abnormal. disconnection or short circuit of thermistor
Temperature Power
error error between
Inverter (power transistor) motor grounded Compressor Over current over current,
rise in a or short circuit, motor grounded (start-up error) transistor inverter and The resistance of the indoor unit radiation Faulty radiation thermistor, cable
system error temperature is compressor
of all inputs
inverter PCB
error
switch box or short circuit Compressor outdoor control thermistor is abnormal. disconnection or short circuit of thermistor
too high motor wire cut
fault locked etc. unit
The resistance of the remote controller Faulty remote controller thermistor
thermistor is abnormal. (built in remote controller)
Shortage of Sensor error AC or DC
Power voltage Radiation fin DC current Total input Capacity
Clogging of refrigerant piping system, insufficient
refrigerant of temperature output current Outdoor unit protection devices activated
imbalance, temperature sensor system current sensor setting error refrigerant or compressor/fan motor fault
(thermal rise in a sensor system
open phase sensor error error error (Outdoor)
Condenser air shot circuit, overload or
storage unit) switch box error High pressure is too high (HPS activation)
dirty heat exchanger
Low pressure Communication *Communication *Communication *Communication error *Communication error Combination Improper
Failure to carry
Clogging of refrigerant piping system,
Low pressure is too low (LPS activation)
Failure to carry error between error between error between between main and sub between other indoor error of indoor/ connection of
Communication
drop due to out check insufficient refrigerant or faulty LPS switch
Power voltage Attached
indoor unit and remote control outdoor units remote controllers (sub unit and outdoor unit BS/outdoor unit transmission
out check Communication Centralized
insufficient Reverse error between operation
Clogging of refrigerant piping system,
failure remote control error) in the same system (model, quantity wiring between equipment
outdoor unit, and indoor unit *Communication
Overheating of compressor (OL activation)
refrigerant or operation, error between address Indoor-outdoor,
phase, Open indoor unit and
insufficient refrigerant, faulty OL or connection
Instantaneous communication *Remote control error between *Combination error of *Communication error etc.), setting outdoor and
transmission
electronic duplicated outdoor-outdoor
transmission indoor units centralized
phase board failure or outdoor unit and other indoor unit/remote between other BS error of spare outdoor unit
error between
Clogging of refrigerant piping system, insufficient
power failure error
Outdoor unit discharge temperature is too high
expansion communication
error outdoor unit and setting error for ice thermal control in the same unit and parts PCB when outside control
control device
refrigerant or faulty dicharge temp. thermistor
valve error, etc. system (model) indoor/outdoor unit replaced adaptor
error etc.
BS unit remote control storage unit
The resistance of the outdoor air temp.
Faulty outdoor air thermistor, cable
System
Communication Centralized Centralized disconnection or short circuit of thermistor
thermistor is abnormal.
Centralized
error between remote control remote
The resistance of the suction pipe temp.
remote Faulty suction pipe thermistor, cable
centralized devices controller
thermistor is abnormal.
disconnection or short circuit of thermistor
controller PCB
remote control inappropriate address setting
The resistance of the outdoor heat
error devices combination error
Faulty outdoor heat exchanger thermistor, cable
exchanger thermistor is abnormal.
disconnection or short circuit of thermistor
The humidity Remote
Dew
Outdoor air Supply air Return air Outdoor air Water leakage Power voltage imbalance, open phase
3 phase power voltage imbalance or open phase
sensor of controller Water leakage
condensation
humidity temp. temp. temp. sensor 1
return air temp. sensor 2 error
Clogging of refrigerant piping system, insufficient
sensor error
sensor error sensor error sensor error sensor error error Suction pipe temperature is too high
sensor sensor error refrigerant or expansion valve fault etc.
Reverse phase Reverse phase of 3 phase power supply
Heat Heat
Hot water
Humidifying Chilled water exchanger of exchanger
Open phase or voltage imbalance of power supply,
Open phase or power voltage imbalance
valve error
valve error valve error chilled water of hot water instantaneous power failure, DC voltage to fan motor too low
error error
Communication error between indoor and Interconnection wire mistake, external factor
outdoor units or outndoor and BS units
Others (noise etc.), indoor or outdoor PCB fault
Fan motor of
Fan motor of Inverter Inverter
Communication error between indoor unit Interconnection wire mistake, external factor
return air over
supply air over system error system error
and remote controller (noise etc.), indoor or remote controller PCB fault
current
current or (supply air (return air
Fan motor of Combination error of indoor/BS/outdoor Incorrect combination of indoor/BS/outdoor
overload side) side)
return air overload unit (model, quantity etc.), unit (model, quantity etc.), Setting error of
Setting error of PCB at site spare parts PCB when replaced
HVU error
Simplified
Indoor air Outdoor air
Ozone Replace the Replace the Replace the
: The possibility of failure is large. : The possibility of failure. : In most cases, it is normal : There is not possibility of failure.
(Ventiair
Damper
All system PC board Contamination Damper Door switch remote
thermistor thermistor
density humidity high efficiency deodorization
dustcollecting
system error
error error sensor error system error error controller
system error system error
abnormal element filter catalyst
unit)
error
Zandvoordestraat 300 - B-8400 Ostend - Belgium
www.daikineurope.com
Indoor Unit
Outdoor Unit
System
SME-TS1 " 1500 " 05/2005
Printed in Belgium by Lannoo
SkyAir or VRV Room Air Conditioner
Self-Diagnosis by Wireless Remote Controller Self-Diagnosis by Wireless Remote Controller
Self-Diagnosis by Wired Remote Controller
The following modes can be selected by using the [Inspection/Test] button on the remote If equipment stops due to a malfunction, the operation indicating LED on the light reception section flashes. In the ARC433A series remote controller, the temperature display sections on the main unit indicate
Explanation
control. The malfunction code can be determined by following the procedure described below. (The malfunction corresponding codes.
code is displayed when an operation error has occurred. In normal condition, the malfunction code of the
Be sure to turn off power switch before connect or disconnect connector, or parts damage 2. Press the timer cancel button repeatedly until a
last problem is displayed.)
Check Method 1
Caution may be occurred. continuous beep is produced.
1. When the timer cancel button is held down for 5 The code indication changes in the sequence shown
Depress Inspection/Test button
The upper digit of the code changes as shown below
Procedure
for more than 4 seconds. seconds, a " " indication flashes on the temperature below, and notifies with a long beep.
Service data can be obtained. when the UP and DOWN buttons are pressed.
display section.
Indoor unit settings can be made Malfunciton code history
1. Press the INSPECTION/TEST button to select "Inspection."
Local
No. Code No. Code No. Code
Temperature data of various sections
Filter sign time Service
The equipment enters the inspection mode. The "Unit"
setting
1 12 23
Air flow direction Service settings can be made.
mode
indication lights and the Unit No. display shows flashing "0"
mode
 UP button  DOWN button
Others Forced fan ON 2 13 24
indication.
Air flow direction/volume setting
3 14 25
2. Set the Unit No.
*2 Number of beeps
Press the UP or DOWN button and change the Unit No. 4 15 26
Continuous beep : Both upper and lower digits matched.
Depress Inspection/Test button
Press Inspection/Test button once.
display until the buzzer (*1) is generated from the indoor
5 16 27
(Malfunction code confirmed)
for more than 4 seconds.
unit.
2 short beeps : Upper digit matched. 6 17 28
*1 Number of beeps
1 short beep : Lower digit matched.
7 18 29
3 short beeps : Conduct all of the following operations.
5. Press the MODE selector button.
Normal
8 19 30
1 short beep : Conduct steps 3 and 4.
The right "0" (lower digit) indication of the malfunction code
mode
9 20 31
Continue the operation in step 4 until a buzzer remains ON.
flashes.
The continuous buzzer indicates that the malfunction code 10 21 32
6. Malfunction code lower digit diagnosis
Press Inspection/Test button once.
is confirmed.
Press Inspection/Test button once.
11 22 33
Press the UP or DOWN button and change the malfunction
Or after 30 minutes
Continuous beep : No abnormality.
code lower digit until the continuous malfunction code
TIMER CANCEL button
3. Press the MODE selector button.
After 10 seconds
matching buzzer (*2) is generated.
It cancels the timer setting.
The left "0" (upper digit) indication of the malfunction code
Note:
The lower digit of the code changes as shown below
flashes.
Following codes can be checked.
Test when the UP and DOWN buttons are pressed.
1. A short beep and two consecutive beeps indicate
4. Malfunction code upper digit diagnosis
Malfunction codes
Inspection
operation Thermostat is forcibly turned on.
non-corresponding codes.
Indoor model code Press the UP or DOWN button and change the malfunction
mode
mode 2. To cancel the code display, hold the timer cancel
Outdoor model code code upper digit until the malfunction code matching buzzer
Press Inspection/Test

button down for 5 seconds. The code display also
(*2) is generated.
button once.  UP button  DOWN button
cancels itself if the button is not pressed for 1 minute.
Normal status
4. Enter the diagnosis mode again.
Enters inspection mode from normal status
If operation stops due to malfunction, the remote controller's operation LED blinks, and malfunction code is
Check Method 2
when the INSPECTION/TEST button is pressed.
Press the MODE button. The digit of the number of
displayed. (Even if stop operation is carried out, malfunction contents are displayed when the inspection
units blinks.
1. Enter the diagnosis mode.
mode is entered.) The malfunction code enables you to tell what kind of malfunction caused operation to
Press the 3 buttons (TEMP ,
stop.
1 Press INSPECTION/TEST button.
Operation lamp
TEMP ,MODE) simultane-
ously.
If no button is
pressed for
1 minute,
The digit of the number of tens
equipment returns
blinks.
to normal status.
Try again from the start
when the digit does not 5. Press the TEMP button.
blink. Press TEMP or TEMP and
change the digit until you
3
hear the sound of "beep".
Press
When MODE selector
MODE
button is pressed or
6. Diagnose by the sound.
selector
no button is pressed 2. Press the TEMP button.
"pi" : The both numbers of
button.
for 1 minute,
Press TEMP or TEMP and
tens and units do not
equipment returns to
change the digit until you hear
If no button is pressed
normal status. accord with the error code.
for 1 minute, the sound of "beep" or "pi pi".
"pi pi" : The number of tens accords with the error code.
equipment returns to
"beep" : The both numbers of tens and units accord
normal status.
with the error code.
7. Determine the error code.
3. Diagnose by the sound.
The digits indicated when you
5 Press MODE selector button.
"pi" : The number of tens does not accord with the error
hear the  beep sound are
Indoor unit No. Indoor unit No.
code.
error code.
Inspection/Test button in which a malfunction occurs Inspection/Test button in which a malfunction occurs
"pi pi" : The number of tens accords with the error code.
8. Exit from the diagnosis mode.
Inspection display Malfunction code Inspection display Malfunction code
"beep" : The both numbers of tens and units accord
Press the MODE button.
with the error code.
Remote controller for VRV Remote controller for SkyAir


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