Sanyo AHX0752 Monitoring Operations, Display of unit No main unit, Indoor unit, Outdoor unit

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Service Checker

1. Outdoor Unit Maintenance Remote Controller

4. Monitoring Operations

Display the indoor unit and outdoor unit sensor temperatures.

<Operating procedure>

Press and hold the (CHECK) and (CANCEL) buttons simultaneously for 4 seconds or longer to engage temperature monitor mode.

During temperature monitoring, illuminates.

(The display and operations are the same as for monitor mode using the indoor unit remote controller.)

Press the (UNIT) button and select the indoor unit to monitor.

Press the temperature setting and buttons and select the item code of the temperature to monitor.

The unit No. of the selected indoor unit, and the temperature data, are displayed.

To end monitoring, press the (CHECK) button.

4

1

2

3

The display returns to the normal display.

NOTE The display does not blink.

Display of unit No. 1 (main unit)

DN	Description		Remarks
	Intake temp.

	E1

	E2

	E3		Indoor unit

	Discharge temp.

	Discharge temp. setting

	Indoor unit electronic control valve position	STEP

	Discharge temp. 1 at Compressor 1

	Discharge temp. 2 at Compressor 2

	High-pressure sensor temp.

	Heat exchanger gas 1

	Heat exchanger liquid 1

	Heat exchanger gas 2

	Heat exchanger liquid 2

	Outdoor air temp.

	Not used

	Inverter primary current	A

	Current at Compressor 2 (CT2)	A	Outdoor unit

	MOV1 pulse	STEP

	MOV2 pulse	STEP

	Discharge temp. 3 at Compressor 3

	Current at Compressor 3 (CT3)	A

	MOV3 pulse	STEP

	Heat exchanger gas 3

Heat exchanger liquid 3

Low-pressure sensor temp.

Suction temp.

Oil 1

Oil 2

Oil 3

Actual operating frequency

Hz

	NOTE	0A and subsequent items are outdoor unit data. 0A – 22 are for unit No. 1.
	NOTE	2A – 42 are for unit No. 2. 4A – 62 are for unit No. 3. 62 – 89 are for unit No. 4.

		6-7

1

2

3

4

5

6

7

8

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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 PCBSystem address S003 System address No P DIP switch, blue 10 Indoor unit setting S004 Rotary switch, redNo. of outdoor units Outdoor unit setting S006 Unit No. settingAuto Address Setting Basic wiring diagram Example Auto Address SettingAutomatic Address Setting from the Outdoor Unit Refrigerant 22-9Circuit Automatic Address Setting from Outdoor Unit Case 2 Automatic Address Setting no compressor operationOn the No UnitsCase 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 If 1 indoor unit is connected to 1 remote controller Auto Address Setting Remote Controller Test Run SettingsRemote Controller Test Run Settings Use the remote controller to check the indoor unit addressTest 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 Main Operating Functions Room Temperature ControlThermostat is turned ON/OFF according to as shown below DegAfter the compressor turns on Operating mode change Shifted set tempMode button Wireless Remote ControllerTransmitter FAN Speed selector buttonFilter button Cool mode and Dry mode, if the flaps are set in a downwardAddress button C Sensor buttonTimer SET button Indicator when swing operation is stoppedOFF Timer OFF Cycle TimerReceiver Operation Temperature sensors at the indoor unit side are usedMultiple units Group ControlHow to install batteries Using the Wireless Remote Control UnitCover Address Settings D type TypeOperation Emergency OperationShutdown Control unit will not be acceptedPress 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 No. indication Display Section Refer to Setting indicationTimer program Timer OFF indicationHow to install the Remote Controller Installation Manual for Timer Remote ControllerRemote Controller Setting Mode Group Control Using 2 Remote ControllersIndoor Unit Setting Mode To Display the Sensor Temperature13/32 Once you enter in the setting mode Day and time ﬂ ash Setting the Present TimeSet to today’s day of the week Press To change the present hour in the range of 0 to 23Program image diagram Weekly Program Function Checking Weekly TimerPress To enter the program conﬁrmation mode Start setting Select a Timer numberSet the minute. program step Set the hour. program stepSet the program pattern. program step Press / to change the temperature settingPattern Indoor unit starts operation at the programmed timeHow to cancel the program timer invalidation How to invalidate the program timerIf Power Failure Occurred Deleting the Program TimerYou can duplicate the preset program by day Duplicating the Program TimerSelect the copy source Before Asking Repair Work„ For Example Setting at Outing Temperature 86F 30C PrecautionsRoom temperature Outing FunctionOuting 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 Number that was set Alarm display Are occurring Automatic address setting is in progressOFF Display meaningAlarm code Alarm meaning 2WAY ECO-i Alarm CodesAlarm E04 occurs E06 Alaral rm Alarm codeE12 Alarm Alarm code E15 Alarm Alarm codeE20 Alarm Alarm code E16 Alarm Alarm codeE24 Alarm Alarm code At a number of indoor unitsE26 Alarm Alarm code E25 Alarm Alarm codeE29 Alarm Alarm code Power at the outdoor unit main is turned OFFCrossed wiring or installation error F04, F05, F22 Alarm Alarm codeCheck Check for crossed wiring and installation errors Outdoor unit control PCBF06, F23 Alarm Alarm code Identification of the problem in this caseF07, F24 Alarm Alarm code Alarm meaningF16 Alarm Alarm code Alarm code F12F17 Alarm Alarm code F08H03 alarm Alarm code F31 Alarm Alarm codeOn the degree of the problem H06 Alarm Alarm codeWhich may damage the compressor Valve must be replacedH11, 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 L10 Alarm Alarm code L06 Alarm Alarm codeL17 Alarm Alarm code L18 alarm Alarm codeP03, P17, P18 Alarm Alarm code P04 Alarm Alarm code P16 Alarm Alarm code P05 Alarm Alarm codePrimary or secondary current Noise in some casesP26 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 Alarm may be caused by the effects of noise. See notes Alarm meaning Compressor magnet SW seizing detectedWithin that refrigerant tubing system are stopped Corresponding outdoor unitPage 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 Self-Diagnosis Function Table Alarm displayAlarm descriptionSelf-Diagnosis Function Table Trouble Cause and correctionCause Check items E15 E16 E20DISCH2 Alarm code Alarm meaningService Checker System Diagram Outdoor Unit Maintenance Remote ControllerFunctions Functions on the ordinary display All units start/stop Fig Temperature monitorCooling/heating change Fig All units test run FigItem codes can be changed with Buttons Display functionsItem code Remarks Sample display -4, Fig XX-YY R.CSample Display A, B Display of unit No main unit Monitoring OperationsIndoor unit Outdoor unitOutdoor Unit Alarm History Monitor Code Parameter Description SET Data „ Setting modeParameter Description SET Data „ Setting modePage 200706MDC