Sanyo UHX0752, UHX2452, UHX1252, UHX3652, UHX1852 2WAY ECO-i Alarm Codes, Alarm code Alarm meaning

Page 67

Trouble Diagnosis

3. W-2WAY ECO-i Alarm Codes

W-2WAY ECO-i Trouble Diagnosis

Alarm code

 

 

Alarm meaning

Page

 

 

 

 

E06

Outdoor unit failed to receive serial communication signals from indoor unit.

3-6

E12

Automatic address setting start is prohibited.

3-6

E15

Automatic address setting alarm (too few units)

3-6

E16

Automatic address setting alarm (too many units)

3-7

E20

No indoor units at automatic address setting.

3-7

E24

Outdoor unit (INV) failed to receive communications from another outdoor

3-7

 

unit (constant-speed).

 

 

 

 

 

 

 

 

E25

Outdoor unit address setting failure (duplication)

3-8

E26

Mismatch in outdoor unit quantity

3-8

E29

Outdoor unit failed to receive communication from relay control unit

3-8

 

 

 

 

F04

Compressor 1 discharge temperature sensor trouble

3-9

F05

Compressor 2 discharge temperature sensor trouble

3-9

 

 

 

 

F22

Compressor 3 discharge temperature sensor trouble

3-9

F06

Gas temperature sensor trouble at outdoor heat exchanger 1 (In)

3-10

F07

Liquid temperature sensor trouble at outdoor heat exchanger 1 (Out)

3-10

F08

Outdoor air temperature sensor trouble

3-11

F12

Compressor intake temperature sensor trouble

3-11

F16

High-pressure sensor trouble

3-11

F17

Low-pressure sensor trouble

3-11

F23

Gas temperature sensor trouble at outdoor heat exchanger 2 (In)

3-10

F24

Liquid temperature sensor trouble at outdoor heat exchanger 2 (Out)

3-10

F31

Outdoor unit non-volatile memory (EEPROM) trouble

3-12

 

 

 

 

H03

Compressor CT sensor disconnected or short-circuit.

3-12

H11

Constant speed compressor 2 overcurrent alarm

3-14

H12

Constant speed compressor 2 lock current alarm

3-14

H05

Compressor 1 discharge temperature sensor disconnected

3-15

H06

Low-pressure trouble in refrigerant circuit.

3-13

H13

Compressor 2 CT sensor disconnected or short-circuit

3-15

H15

Compressor 2 discharge temperature sensor disconnected

3-15

H21

Compressor 3 overcurrent alarm

3-14

H22

Compressor 3 lock current alarm

3-14

H23

Compressor 3 CT sensor disconnected or short-circuit

3-15

H25

Compressor 3 discharge temperature sensor disconnected

3-15

H31

HIC trouble alarm

 

3-16

 

 

 

 

L04

Outdoor unit address duplication

3-16

L05

Duplicated indoor unit priority (alarm at priority indoor units)

3-16

L06

Duplicated indoor unit priority (alarm at non-priority indoor units)

3-17

L10

Outdoor unit capacity not set

3-17

L17

Outdoor unit model mismatch

3-17

L18

4-way valve operation failure.

3-17

 

 

 

 

P03

Compressor 1 discharge temperature trouble

3-18

P04

High-pressure switch activated

3-19

P05

Reverse phase (or missing phase) detected, capacity mismatch

3-20

P16

Compressor 1 overcurrent

 

3-20

P17

Compressor 2 discharge temp trouble

3-18

P18

Compressor 3 discharge temp trouble

3-18

P22

Fan motor trouble

 

3-21

P26

Inverter compressor high-frequency overcurrent alarm

3-21

P29

Inverter compressor missing phase or lock alarm

3-21

 

 

 

 

 

Blinking on the wired remote controller

 

CHECK blinking (1)

3-22

 

CHECK blinking (2)

3-23

 

 

 

3-5

1

2

3

4

5

6

7

8

Page 66 Page 68
Image 67
Page 66 Page 68
Contents Outdooe Units „ R410A Models Indoor UnitsPage Check of Density Limit Contents Test RUN ContentsPreparing for Test Run Test RunItems to Check Before the Test Run Test Run ProcedureMain Outdoor Unit PCB Setting Setting of Unit Control PCBUnit No. setting Indoor unit setting S004 Rotary switch, redSystem address S003 System address No P DIP switch, blue 10 No. of outdoor units Outdoor unit setting S006Auto Address Setting Basic wiring diagram Example Auto Address SettingAutomatic Address Setting from the Outdoor Unit Refrigerant 22-9Circuit Units Case 2 Automatic Address Setting no compressor operationAutomatic Address Setting from Outdoor Unit On the NoCase 3A Automatic Address Setting in Heating Mode Case 3B Automatic Address Setting in Cooling Mode Automatic Address Setting* from the Remote ControllerRemote controller display Display during automatic address settingOn outdoor main unit PCB Use the remote controller to check the indoor unit address Auto Address Setting Remote Controller Test Run SettingsIf 1 indoor unit is connected to 1 remote controller Remote Controller Test Run SettingsTest Run Alarm contents Meaning of Alarm MessagesPossible cause of malfunction P02 Alarm messages displayed on system controller Timer Remote Controller RCS-TM80BG Wireless Remote ControllerMain Operating Functions Deg Room Temperature ControlMain Operating Functions Thermostat is turned ON/OFF according to as shown belowAfter the compressor turns on Operating mode change Shifted set tempFAN Speed selector button Wireless Remote ControllerMode button TransmitterC Sensor button Cool mode and Dry mode, if the flaps are set in a downwardFilter button Address buttonOFF Cycle Timer Indicator when swing operation is stoppedTimer SET button OFF TimerReceiver Control Temperature sensors at the indoor unit side are usedOperation Multiple units GroupHow to install batteries Using the Wireless Remote Control UnitCover Address Settings D type TypeControl unit will not be accepted Emergency OperationOperation ShutdownPress the Emergency operation button once more Trouble Possible Cause Remedy TroubleshootingTrouble Possible Cause How to Use the Timer Remote Controller Operating buttons Timer Remote Controller RCS-TM80BGNames and Operations Timer OFF indication Display Section Refer to Setting indicationTimer No. indication Timer programHow to install the Remote Controller Installation Manual for Timer Remote ControllerTo Display the Sensor Temperature Group Control Using 2 Remote ControllersRemote Controller Setting Mode Indoor Unit Setting Mode13/32 Press To change the present hour in the range of 0 to 23 Setting the Present TimeOnce you enter in the setting mode Day and time fl ash Set to today’s day of the weekSelect a Timer number Weekly Program Function Checking Weekly TimerProgram image diagram Press To enter the program confirmation mode Start settingSet the minute. program step Set the hour. program stepIndoor unit starts operation at the programmed time Press / to change the temperature settingSet the program pattern. program step PatternDeleting the Program Timer How to invalidate the program timerHow to cancel the program timer invalidation If Power Failure OccurredBefore Asking Repair Work Duplicating the Program TimerYou can duplicate the preset program by day Select the copy sourceOuting Function Precautions„ For Example Setting at Outing Temperature 86F 30C Room temperatureOuting function indication Canceling the outing functionOuting function indication Status Sleeping Function Wired Remote Controller Test Run Settings Simple Settings Function ProcedureList of Simple Setting Items Detailed Settings Functions Setting data List of Detailed Setting ItemsDescription Item code Setting data Description Code Description Setting dataTimer Remote Controller RCS-TM80BG Table of DC Fan Motor Tap Settings ceiling-mounted type TP6 TP3 TP1 Display Sensor Servicing check Alarm history Press and hold Remote Controller Servicing FunctionsMaintained Test Run Function Normal remote controller display Trouble Diagnosis Contents of Remote Controller Switch Alarm Display Heat exchanger 1 gas temp. sensor F06 Display meaning Are occurring Automatic address setting is in progressNumber that was set Alarm display OFFAlarm code Alarm meaning 2WAY ECO-i Alarm CodesE15 Alarm Alarm code E06 Alaral rm Alarm codeAlarm E04 occurs E12 Alarm Alarm codeAt a number of indoor units E16 Alarm Alarm codeE20 Alarm Alarm code E24 Alarm Alarm codePower at the outdoor unit main is turned OFF E25 Alarm Alarm codeE26 Alarm Alarm code E29 Alarm Alarm codeOutdoor unit control PCB F04, F05, F22 Alarm Alarm codeCrossed wiring or installation error Check Check for crossed wiring and installation errorsAlarm meaning Identification of the problem in this caseF06, F23 Alarm Alarm code F07, F24 Alarm Alarm codeF08 Alarm code F12F16 Alarm Alarm code F17 Alarm Alarm codeH03 alarm Alarm code F31 Alarm Alarm codeValve must be replaced H06 Alarm Alarm codeOn the degree of the problem Which may damage the compressorH11, H12, H21, H22 Alarm Alarm code H05, H15, H25 Alarm Alarm code H13, H23 Alarm Alarm codeL04 Alarm Alarm code H31 Alarm Alarm codeL05 Alarm Alarm code L18 alarm Alarm code L06 Alarm Alarm codeL10 Alarm Alarm code L17 Alarm Alarm codeP03, P17, P18 Alarm Alarm code P04 Alarm Alarm code Noise in some cases P05 Alarm Alarm codeP16 Alarm Alarm code Primary or secondary currentP26 Alarm Alarm code P22 Alarm Alarm codeP29 Alarm Alarm code Alarm code Blinking Inspection display Blinking inspection display 1 Automatic backupCompressor magnet SW seizing detection Corresponding outdoor unit Alarm meaning Compressor magnet SW seizing detectedAlarm may be caused by the effects of noise. See notes Within that refrigerant tubing system are stoppedPage PCB and Functions Outdoor Unit Control PCB CR-CHDX14053 Outdoor Unit Control PCBFunctions for CR-CHDX14053 Progress will stop the automatic address setting operationOutdoor Unit Control PCB Mode. Static signalSetting the Outdoor Unit address S007 Setting Address Link wiringSystem only T10 Indoor Unit Control PCBJP1 For DC Fan Motor CR-SXRP56B-B For AC Fan Motor CR-UXRP71B-BCR1 for CR-KR74GXH56A/KHX0752~KHX1852 Wall-Mounted CR1 for CR-KR254GXH56A/KHX2452 Wall-Mounted CR2 for POW-KR74GXH56/KHX0752~KHX2452 Wall-Mounted Or less Signal. Jumper wire cut Static signal continuous signalCN017 CN014 OptionSELF-DIAGNOSIS Function Table Trouble Cause and correction Alarm displayAlarm descriptionSelf-Diagnosis Function Table Self-Diagnosis Function TableCause Check items E15 E16 E20DISCH2 Alarm code Alarm meaningService Checker System Diagram Outdoor Unit Maintenance Remote ControllerFunctions Functions on the ordinary display All units test run Fig Temperature monitorAll units start/stop Fig Cooling/heating change FigItem codes can be changed with Buttons Display functionsItem code Remarks Sample display -4, Fig XX-YY R.CSample Display A, B Outdoor unit Monitoring OperationsDisplay of unit No main unit Indoor unitOutdoor Unit Alarm History Monitor Code Parameter Description SET Data „ Setting modeParameter Description SET Data „ Setting modePage 200706MDC
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