Sanyo XMHS0972, XMHS1272 service manual Self-diagnostics Lamps

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(1) Self-diagnostics Lamps

INDOOR UNIT

OPERATION button

 

 

OPERATION lamp

 

TIMER lamp

 

HIGH POWER lamp

 

REMOTE CONTROL receiver

Since the indications cover various units, the corresponding parts listed below may not be present in some models.

Indication on indoor unit

.... OFF

 

 

.... Blinking

.... ON (Illuminated)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OPERATION

Timer

HIGH POWER

Code

Diagnostics items

 

 

 

 

 

Diagnostics contents

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S01

Room temperature sensor failure

(1)

Sensor open circuit or short circuit

 

 

 

 

 

 

 

 

 

 

(2)

Contact failure at connector or open circuit at terminal crimping location

 

 

 

S02

Indoor heat exchanger sensor failure

 

 

 

(3)

Indoor/outdoor PCboard failure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S04

Compressor temperature sensor failure

(1)

Sensor open circuit or short circuit

 

 

 

 

 

 

 

 

 

 

(2)

Contact failure at connector or open circuit at terminal crimping location

 

 

 

S05

Outdoor heat exchanger sensor failure

 

 

 

(3)

Outdoor PCboard failure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S06

Outdoor air temperature sensor failure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S07

Outdoor electrical current detection

Outdoor PCboard failure

 

 

 

 

 

 

 

 

 

 

failure

 

 

 

 

 

 

 

 

 

 

 

Indoor/outdoor communications failure

(1)

Mis-wiring

(2) AC power failure

(3) Blown fuse

(4) Power Relay failure

 

 

 

E01

(5)

Indoor or outdoor PCboard failure

(6) Outdoor Fan Motor failure (7) Reactor failure

 

 

 

(serial communications)

(8)

High-Pressure Switch failure

(9) Overload Relay failure

(10) Magnetic Coil failure

 

 

 

 

 

* See detailed flowchart in this section.

 

 

 

 

 

 

 

E02

• HIC circuit failure

(1)

HIC or power Tr failure (2) Outdoor fan does not turn.

(3) Instantaneous power outage

 

 

 

(4)

Service valve not opened.

(5) Outdoor fan blocked.

(6) Continuous overload operation

 

 

 

• Power Tr (transistor) circuit failure

 

 

 

 

 

(7)

Compressor failure

(8) Outdoor PCboard failure

 

 

 

 

 

 

 

E03

Outdoor unit external ROM (OTP data)

(1)

External ROM data failure

 

(2) Outdoor PCboard failure

 

 

 

 

failure

 

 

 

 

 

E04

Peak current cut-off

(1)

Instantaneous power outage

(2) HIC or power transistor failure

 

 

 

(3)

Outdoor PCboard failure

 

 

 

 

 

 

 

 

 

 

E05

PAM circuit failure

(1)

Outdoor PCboard failure

(2) Outdoor power supply voltage failure

 

 

 

Active circuit failure

 

 

 

E06

Compressor discharge overheat

(1) Electric expansion valve failure

(2) Capillaries choked

(3) Shortage of refrigerant

 

 

 

prevention activated.

(4) Continuous overload operation

(5) Outdoor fan does not rotate

(6) Outdoor PCboard failure

 

 

 

E07

Indoor fan operating failure

(1)

Fan motor failure

(2) Contact failure at connector

 

(3) Indoor PCboard failure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E08

4-way valve switching failure

(1)

4-way valve failure (heat pump model only)

 

 

 

 

 

 

 

Indoor zero-cross failure

(2)

Outdoor PCboard failure

 

 

 

 

 

 

 

 

 

 

E09

No-refrigerant protection

(1)

Service valve not opened.

 

(2) Shortage of refrigerant

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E10

DC compressor drive circuit failure

(1)

Open phase

(2) Outdoor PCboard failure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E11

Outdoor fan operating failure

(1)

Fan motor failure

(2) Contact failure at connector

 

(3) Outdoor PCboard failure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Outdoor system communications failure

(1)

Mis-wiring

(2) Blown fuse

(3) Power Relay failure

 

(4) Outdoor PCboard failure

 

 

 

E12

OLR operation

(5)

Compressor failure

 

 

 

 

 

 

 

 

 

 

 

Outdoor power supply open phase

 

 

 

 

 

 

 

 

 

 

 

 

Outdoor coil freezing

* See detailed flowchart in this section.

 

 

 

 

 

 

 

E13

Freeze-prevention operation activated.

(1)

Indoor fan system failure

(2) Shortage of refrigerant

(3) Low-temperature operation

TIMER

BLINKING (3 SEC. INTERVAL)

LAMP

 

FLOAT SWICTH (FS) IS ACTIVED.

(1) DRAIN PUMP FAILURE (2) FS FAILURE (3) CHOKED DRAIN HOSE

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Contents 11,900BTU / h XMHS1272 PNR-XS1872 17,500BTU / h XHS1872 PNR-XS1872Safety Precautions Prohibit Table of Contents STK-RCS-7TWSUA Applicable MULTI-OUTDOOR Units Operating Range Indoor Air Intake Temp Outdoor Air Intake TempIndoor Unit XMHS0972 & PNR-XS1872 SpecificationsUnit Specifications 208V Indoor UnitXMHS0972 & PNR-XS1872 XMHS1272 & PNR-XS1872 XMHS1272 & PNR-XS1872 XHS1872 & PNR-XS1872 XHS1872 & PNR-XS1872 Major Component Specifications Indoor UnitIndoor Unit Body XMHS0972 Indoor Unit PanelIndoor Unit Body XMHS1272 Indoor Unit Body XHS1872 Other Component Specifications ModelKTEC-35-S98Indoor heat exchanger sensor ModelPT2M-51H-S3Dimensional Data 534Indoor Unit XHS1872 & PNR-XS1872 Indoor unit Refrigerant Flow DiagramRefrigerant Flow Diagram Electric Wiring Diagrams Electrical Data5250-46900 8FA2Maintenance Disassembly ProcedureDisconnect the connectors in the control box Remove the air intake grillRemove the ceiling panel Remove the indoor air temperature sensor Remove the power box and control boxScrew Ground cable CN07 ScrewCN03 CN09 CN06 Remove the main body lower section Remove the drain pump and float switch Remove the heat exchanger sensorRemove the turbo fan and fan motor Remove the heat exchangerFunctions Operation FunctionsEmergency operation Auto cooling/heating operationTimer backup Lamp colorsProtective Functions Overload prevention during heatingCold-air prevention during heating Freeze preventionMethod of Self-Diagnostics TroubleshootingPrecautions before Performing Inspection or Repair Self-diagnostics Lamps Using the TEST/T-RUN terminals Checking the Indoor and Outdoor UnitsReplace the controller Replace the circuit board or the fuseSerial Communication Error Identification Procedure Before the OperationOff Blinking Illuminated Condition E01Terminal board Outdoor Unit Condition E12 Trouble Diagnosis of Fan Motor Indoor Fan MotorNoise Malfunction and Electromagnetic Interference Noise malfunctionElectromagnetic interference Locations most susceptible to noise Trouble CorrectionXMHS0972 & PNR-XS1872 XMHS1272 & PNR-XS1872 Mode D’EMPLOI Pub. OI-85264181140000 SanyoFeatures ContentsAlert Symbols Installation LocationSafety Instructions Product InformationNames of Parts Unit Display and Operation ButtonRemote Control Unit Display SymbolsRemote Control Unit HR. Timer button 1-HOUR OFF Timer Temperature setting buttons TempMode selector button SensorUsing the Remote Control Unit Single/Multiple switchManual Operation Operation with the Remote Control UnitAutomatic Operation High Power Mode Adjusting the Fan SpeedNight Setback Mode Setting the Timer Special RemarksHow to set the OFF time How to set the on timeHow to set daily ON/OFF repeat timer 1030 pm 710 am 1100 am Present timeUsing the 1-HOUR OFF Timer Adjusting the Airflow DirectionHour OFF Timer Operation together with the daily ON/OFF repeat timerCare and Cleaning When the air conditioner is not runningCleaning the flaps Cleaning the main unit and remote control unitHow to remove the filter How to remove the air intake grilleAir filter Care After a prolonged idle periodOperating Range TroubleshootingWired Remote Controller XHS1872 & PNR-XS1872 XHS1271 XHS1872 Pub. OI-85264181107001 SanyoOI-107-2-EG Important Multiple use is applied for the model XHS1872 only DRY orange, Cool green and FAN green OI-107-5-EG OI-107-6-EG FAN OI-107-8-EG OI-107-9-EG Fan Only OI-107-11-EG OI-107-12-EG Sweep Cool Drysweep Heat FAN OI-107-14-EG OI-107-15-EG Max Min For Single use For Multiple Use Appendix C Installation Instructions Contents For Indoor UnitPlease Read Before Starting Tools Required for Installation not supplied Accessories Supplied with Unit TableGeneral Optional Copper Tubing KitInstallation Site Selection Additional Materials Required for InstallationEmbedding the Tubing and Wiring H1, H2, H3, H4How to Install the Indoor Unit Preparation for SuspendingSuspending the Indoor Unit Placing the Unit Inside the CeilingInstalling the Drain Piping Do not install an air bleeder asAttach so that the hose band Fastener is on the sideChecking the Drainage 10aInstalling the Ceiling Panel Indoor unit Gaps Ceiling surface Ceiling panelWiring the Ceiling Panel and the Indicator Attaching the air-intake grilleChecking After Installation When Removing the Ceiling Panel for ServicingAdjusting the Auto Flap Wiring Instructions General precautions on wiringFor stranded wiring How to connect wiring to the terminal For Indoor UnitFor Outdoor Unit For solid core wiring or F-cable How to Test Run the Air Conditioner Remote Control Unit Installation Position Rear side Remote control unit mountTo take out the remote control unit, pull it forward Mounting on a WallAddress Switch Address Setting of the Remote Control UnitConnecting a Home Automation Device Installation Check SheetSTK-RCS-7TWSUA STK-RCS-7TWSUA Pub. OI-85264181139000 SanyoAutomatic Operation only for COOL/DRY/HEAT Model OI-139-3-EG Timer and Present Time setting buttons SET buttonTimer Select button Automatic Operation Only for COOL/DRY/HEAT Model Remote Control Unit Display Heating Mode Only for COOL/DRY/HEAT ModelBackup function ProgrammedDaily on / OFF 910 pm 710 am 1130 pm Present timeOI-139-9-EG Appendix E Installation Instructions STK-RCS-7TWSUA Parts supplied with the remote controller Remote controller installation guidelinesHow to install the remote controller Installation locationInstalling with in-wall junction box Installing directly onto the wallHow to wire the remote controller ON/OFF

XMHS1272, XMHS0972 specifications

Sanyo has long been a recognized name in the landscape of home appliances and audio-visual equipment, and their XMHS series, particularly the XMHS0972 and XMHS1272 models, offers innovative technology and impressive features for discerning users. These models are designed to cater to a wide range of needs, making them suitable for different environments, whether it’s for personal use or for larger gatherings.

The Sanyo XMHS0972 and XMHS1272 are notable for their sleek design, ensuring they blend seamlessly into any interior decor. Their modern aesthetics are matched by functionality, providing users with a combination of style and efficiency. Both models incorporate advanced technologies that have garnered positive reviews in terms of usability and performance.

One of the standout features of the XMHS0972 and XMHS1272 is their audio capabilities. They deliver high-quality sound, thanks to Sanyo’s proprietary sound enhancement technologies. These models are equipped with powerful speakers that produce clear, vibrant audio, making them ideal for music playback, movie watching, and more.

In terms of connectivity, both models come with a variety of options. They support Bluetooth connectivity, allowing users to easily stream music wirelessly from smartphones, laptops, and other Bluetooth-enabled devices. Additionally, they feature USB ports and auxiliary inputs for versatile connectivity options, making them adaptable to different multimedia setups.

Energy efficiency is another important aspect of the XMHS0972 and XMHS1272. Sanyo has incorporated energy-saving technologies into these models, ensuring they consume less power while maintaining optimal performance. This is particularly beneficial for users who are conscious of their environmental footprint and are looking to reduce energy costs.

The user interface is designed with convenience in mind, featuring an intuitive control panel and remote control options. This allows users to easily navigate through settings and features without any hassle.

In conclusion, the Sanyo XMHS0972 and XMHS1272 models are powerful and efficient options for anyone in need of high-quality audio and versatile connectivity. With their stylish design, advanced technology features, and reduced energy consumption, they stand out as innovative choices for modern users looking to enhance their entertainment experience.