Sanyo XMS0972, XMS1272 service manual OI-108-15-EG

Page 70

TROUBLESHOOTING

If your air conditioner does not work properly, first check the following points before requesting service. If it still does not work properly, contact your dealer or service center.

Trouble

Possible Cause

 

Remedy

 

 

 

 

Air conditioner does

1. Power failure.

1.

Restore power.

not run at all.

2. Leakage circuit

2.

Contact service

 

 

breaker tripped.

 

center.

 

3. Line voltage is too

3.

Consult your

 

low.

 

electrician or

 

 

 

dealer.

 

4. Batteries in remote

4.

Replace batteries.

 

control unit have

 

 

 

run down.

 

 

 

 

 

OPERATION lamp

Trouble in system.

Contact service

blinks and air

 

center.

conditioner does not

 

 

 

operate.

 

 

 

 

 

 

Compressor runs but

Obstruction in front of

Remove obstruction.

soon stops.

condenser coil.

 

 

 

 

 

 

Poor cooling

1. Dirty or clogged air

1.

Clean air filter to

performance.

filter.

 

improve airflow.

 

2. Heat source or

2.

Eliminate heat

 

many people in

 

source if possible.

 

room.

 

 

 

3. Doors and/or

3.

Shut them to keep

 

windows are open.

 

the heat out.

 

4. Obstacle near air

4.

Remove it to ensure

 

intake or air

 

good airflow.

 

discharge port.

 

 

 

5. Thermostat is set

5.

Set the temperature

 

too high for cooling.

 

lower.

 

 

 

Clicking sound is

In cooling operation,

This is normal, and

heard from the air

any plastic parts may

the sound will soon

conditioner.

shrink due to a

disappear.

 

sudden temperature

 

 

 

change. In this event,

 

 

 

a clicking sound may

 

 

 

occur.

 

 

 

 

 

 

OPERATION lamp

The use of cellular

1.

Turn off the power

lights but outdoor unit

phones near the air

 

then restart the air

will not run.

conditioner may cause

 

conditioner after a

 

disturbance to its

 

while.

 

normal operation.

2.

Consult your dealer.

 

 

 

 

 

TIMER lamp blinks

FLOAT SWITCH is

Contact service

(3 sec. interval) and

actived.

center.

air conditioner does

 

 

 

not operate.

 

 

 

 

 

 

 

OPERATING RANGE

The air conditioner is operable within the temperature ranges as listed below:

For Cooling Only Models : C1271, C1872

 

Temperature

Indoor air

Outdoor air

 

 

temperature

temperature

 

 

 

 

 

COOLING

Max.

95

°F DB /

115 °F DB

 

 

71

°F WB

 

 

 

 

 

 

 

Min.

67

°F DB /

67 °F DB

 

 

57

°F WB

 

 

 

 

 

For Low Ambient Cooling Models : CL1271, CL1872

 

 

 

 

 

Temperature

Indoor air

Outdoor air

 

 

temperature

temperature

 

 

 

 

 

COOLING

Max.

95

°F DB /

115 °F DB

 

 

71

°F WB

 

 

 

 

 

 

 

Min.

67

°F DB /

0 °F DB

 

 

57

°F WB

 

 

 

 

 

For Cooling Only Models : CM1972, CM2472 and CM3172

 

 

 

 

 

Temperature

Indoor air

Outdoor air

 

 

temperature

temperature

 

 

 

 

 

COOLING

Max.

95

°F DB /

115 °F DB

 

 

71

°F WB

 

 

 

 

 

 

 

Min.

67

°F DB /

67 °F DB

 

 

57

°F WB

 

 

 

 

 

 

WIRED REMOTE CONTROLLER

Aseparately sold wired remote controller (STK-RCS- 7TWSU, 7TWSUA) used with this air conditioner is also available. If you wish to use the wired remote control function, you will need to purchase the optional wired remote controller.

OI-108-15-EG

15

 

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Contents 11,900BTU / h 17,500BTU / hSafety Precautions Prohibit Table of Contents STK-RCS-7TWSUA Applicable MULTI-OUTDOOR Units Operating Range Indoor Air Intake Temp Outdoor Air Intake TempUnit Specifications SpecificationsIndoor Unit XMS0972 & PNR-XS1872 XMS0972 & PNR-XS1872 Indoor Unit208V XMS1272 & PNR-XS1872 XMS1272 & PNR-XS1872 XS1872 & PNR-XS1872 XS1872 & PNR-XS1872 Indoor Unit Body XMS0972 Major Component SpecificationsIndoor Unit Indoor Unit PanelIndoor Unit Body XMS1272 Indoor Unit Body XS1872 Indoor heat exchanger sensor Other Component SpecificationsModelKTEC-35-S98 ModelPT2M-51H-S3Dimensional Data 534Refrigerant Flow Diagram Refrigerant Flow DiagramIndoor Unit XS1872 & PNR-XS1872 Indoor unit 5250-46900 Electrical Data8FA2 Disconnect the connectors in the control box MaintenanceDisassembly Procedure 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 exchangerEmergency operation FunctionsOperation Functions PAM- controlTimer backup Lamp colorsProtective Functions Freeze preventionPrecautions before Performing Inspection or Repair TroubleshootingMethod of Self-Diagnostics Self-diagnostics Lamps Replace the controller Using the TEST/T-RUN terminalsChecking the Indoor and Outdoor Units Replace the circuit board or the fuseOff Blinking Illuminated Serial Communication Error Identification ProcedureBefore the Operation Condition E01Terminal board Outdoor Unit Condition E12 Trouble Diagnosis of Fan Motor Indoor Fan MotorElectromagnetic interference Noise Malfunction and Electromagnetic InterferenceNoise malfunction Locations most susceptible to noise Trouble CorrectionXMS0972 & PNR-XS1872 XMS1272 & PNR-XS1872 Mode D’EMPLOI Pub. OI-85264181141000 SanyoFeatures ContentsSafety Instructions Alert SymbolsInstallation Location Product InformationNames of Parts Unit Display and Operation ButtonRemote Control Unit Display SymbolsRemote Control Unit Mode selector button HR. Timer button 1-HOUR OFF TimerTemperature setting buttons Temp SensorUsing the Remote Control Unit Automatic fan speed Operation with the Remote Control UnitManual fan speed Special Remarks Setting the TimerCooling and DRY Mode How it works?Operation Indication 1030 pm 710 am 1100 am Present timeTips for Energy Saving Using the 1-HOUR OFF TimerAdjusting the Airflow Direction Do notCleaning the flaps Care and CleaningWhen the air conditioner is not running Cleaning the main unit and remote control unitAir filter How to remove the filterHow to remove the air intake grille Care After a prolonged idle periodWired Remote Controller TroubleshootingOperating Range XS1872 & PNR-XS1872 XS1271 XS1872 Pub. OI-85264181108001 SanyoOI-108-2-EG Important Multiple use is applied for the model XS1872 only OI-108-4-EG OI-108-5-EG OI-108-6-EG OI-108-7-EG OI-108-8-EG OI-108-9-EG OI-108-10-EG OI-108-11-EG OI-108-12-EG OI-108-13-EG OI-108-14-EG OI-108-15-EG Appendix C Installation Instructions Contents For Indoor Unit…In a Ceiling or Wall For safe installation and trouble-free operation, you mustPlease Read Before Starting …In a RoomGeneral Tools Required for Installation not suppliedAccessories Supplied with Unit Table Optional Copper Tubing KitInstallation Site Selection Additional Materials Required for InstallationEmbedding the Tubing and Wiring H1, H2, H3, H4Suspending the Indoor Unit How to Install the Indoor UnitPreparation for Suspending Placing the Unit Inside the CeilingAttach so that the hose band Installing the Drain PipingDo not install an air bleeder as 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 grilleAdjusting the Auto Flap Checking After InstallationWhen Removing the Ceiling Panel for Servicing Wiring Instructions General precautions on wiringFor Outdoor Unit For solid core wiring or F-cable How to connect wiring to the terminal For Indoor UnitFor stranded wiring How to Test Run the Air Conditioner To take out the remote control unit, pull it forward Remote Control Unit Installation PositionRear side Remote control unit mount 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 SanyoDo not cool or heat the room too much Hot Start Heating System Timer and Present Time setting buttons SET buttonTimer Select button AutoAutomatic Operation Only for COOL/DRY/HEAT Model Remote Control Unit Display Heating Mode Only for COOL/DRY/HEAT ModelDaily on / OFF Programmed910 pm 710 am 1130 pm Present time Sweep Cool Drysweep Heat FAN Appendix E Installation Instructions STK-RCS-7TWSUA How to install the remote controller Parts supplied with the remote controllerRemote controller installation guidelines Installation locationInstalling with in-wall junction box Installing directly onto the wallHow to wire the remote controller ON/OFF

XMS1272, XMS0972 specifications

The Sanyo XMS0972 and XMS1272 are remarkable air conditioning units that blend efficiency with cutting-edge technology. Designed for residential and commercial spaces, these models promise comfort while optimizing energy consumption.

One of the standout features of both the XMS0972 and XMS1272 is their advanced inverter technology. This feature allows the units to adjust their cooling capacity based on the room's ambient temperature. As a result, the air conditioners can maintain a consistent temperature without the frequent on/off cycles associated with traditional units. This not only ensures a more stable climate but also significantly reduces energy consumption, making them eco-friendly options.

Another significant characteristic is the Quiet Operation mode. Both models are engineered with noise reduction technology, providing a tranquil environment for users. This is particularly beneficial for bedrooms, offices, or libraries where noise levels can be a concern. The XMS models operate at a whisper-quiet level, allowing users to focus on their tasks or enjoy a peaceful night's sleep without disruption.

The Sanyo XMS0972 and XMS1272 also feature a user-friendly digital interface. With an intuitive remote control and an easy-to-read display, setting your desired temperature or switching modes has never been easier. Moreover, the smart diagnostic capability allows for quick troubleshooting, helping to identify any issues to ensure peak performance throughout their lifespan.

Both models are equipped with a 24-hour timer, adding convenience for users who wish to come home to a pre-cooled or heated environment. This feature enhances comfort and saves energy when the unit is not in use.

In terms of design, the Sanyo XMS units boast a sleek and modern aesthetic that seamlessly integrates into various interior styles. Their compact size allows for flexible installation options, making them suitable for various living and working spaces.

The XMS line also emphasizes air purification, incorporating advanced filters that capture dust, allergens, and other pollutants. This results in not just temperature control but also improved air quality, contributing to a healthier living environment.

In conclusion, the Sanyo XMS0972 and XMS1272 air conditioning units stand out for their energy efficiency, quiet operation, user-friendly features, and air purification capabilities. These characteristics make them an ideal choice for individuals and businesses looking for reliable and sophisticated climate control solutions.