Sanyo SAP-KRV94EHDX service manual Self-diagnostics Lamps, ION Timer Operation

Page 44

(1) Self-diagnostics Lamps

(3)

(2)

(1)

ION

TIMER

OPERATION

lamp

lamp

lamp

If there is no trouble, the lamps neither blink nor illuminate.

 

 

 

 

 

 

 

 

 

 

Since the indications cover various units, the corresponding parts listed below may not be

present in some models.

 

 

 

 

 

 

 

 

 

 

Indication on indoor unit

.... OFF

 

 

.... Blinking

.... Illuminated

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ion

Timer

Operation

Code

Diagnostics item

 

 

 

 

Diagnostics contents

( 3 )

( 2 )

( 1 )

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S01

Room temperature sensor failure

 

(1) Sensor open circuit or short circuit

 

 

 

 

 

 

 

 

 

(2) Contact failure at connector or open circuit at terminal crimping location (short-circuit

 

 

 

S02

Indoor heat exchanger sensor failure

 

 

 

 

detection only for the humidity sensor)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S03

Humidity sensor failure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S04

Compressor temperature sensor failure

 

 

 

 

 

 

 

 

 

 

 

 

 

SH(Suction) sensor failure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S05

Outdoor heat exchanger sensor failure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S06

Outdoor air temperature sensor failure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S07

Electrical current detection failure

 

(1) Operating frequency is 45 Hz or higher and less than 0.5 A of current is flowing.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E01

Indoor/outdoor communications failure

 

(1) Miswiring (2) AC power failure

(3) Blown fuse

(4) Power relay failure

 

 

 

(serial communications)

 

(5) Indoor or outdoor circuit board failure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

(7) Compressor failure (8) Outdoor circuit board failure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E03

Outdoor unit external ROM failure

 

(1)External ROM data failure

(2) External ROM installation failure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E04

Peak current cut-off

 

(1)Operating current is 20 A or higher.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E05

PAM circuit failure

 

(1)PAM circuit abnormal voltage

(2) Protection for current

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E06

Compressor discharge overheat

 

(1)Electric expansion valve failure (2) Capillaries choked

(3) Shortage of refrigerant

 

 

 

prevention activated.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E07

Indoor fan operating failure

 

(1) Locked fan motor (2) Contact failure at connector

 

 

 

 

 

Indoor zero-cross failure

 

(3) Noise, instantaneous power blackout, or power waveform error due to lightning or other factor

 

 

 

 

 

 

 

 

E08

4-way valve switching failure

 

(1) 4-way valve failure (heat pump model only)

 

 

 

 

 

 

(2) Indoor heat exchanger temperature sensor disconnected.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E09

No-refrigerant protection

 

(1) Service valve not opened.

(2) Shortage of refrigerant

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E10

DC compressor drive circuit failure

 

(1) Open phase

(2) Outdoor circuit board failure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E11

Outdoor fan operating failure

 

(1) Contact failure at connector

(2) Outdoor circuit board failure

 

 

 

 

 

 

 

 

 

 

 

 

 

E12

Outdoor system communications failure

 

(1) Miswiring in inter-unit

(2) Outdoor circuit board failure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E13

Freeze-prevention operation activated.

 

(1) Indoor fan system failure

(2) Shortage of refrigerant

(3) Low-temperature operation

 

 

 

 

 

 

 

 

NOTE

If the operation lamp (orange) continues to blink immediately after when the power source has been supplied

 

to the air conditioner, there might be trouble with the external ROM (E14) in the indoor unit.

44

Image 44
Contents DC Inverter Split System AIR Conditioner Table of Contents Checking Electrical Components For safe installation and trouble-free operation, you Must Please Read Before StartingOperating Range Unit Specifications Indoor Unit SAP-KRV94EHDXSAP-KRV124EHDX Outdoor Unit SAP-CRV124EHDXMajor Component Specifications SAP-KRV94EHDXCB-KRV124EHDX Outdoor Unit CB-CRV124EHDX Other Component Specifications Dimensional Data Dia .35 1/4 Refrigerant Flow Diagram Refrigerant Flow DiagramInsulation of Refrigerant Tubing Indoor Unit SAP-KRV94EHDX Outdoor Unit SAP-CRV94EHDXTemperature Charts Performance DataIndoor Unit SAP-KRV124EHDX Outdoor Unit SAP-CRV124EHDX Air Throw Distance Charts Indoor Unit SAP-KRV124EHDX Heating Electrical CharacteristicsCooling SAP-CRV94EHDX SAP-KRV94EHDX SAP-CRV124EHDX SAP-KRV124EHDX Electric Wiring DiagramsOutdoor Unit Indoor Unit Installation Site Selection About Recommended Wire Length and Diameter Wiring System DiagramRemote Control Unit Installation Position Mounting on a WallHow to Test Run the Air Conditioner ON/OFFHow to replace the grille Remove the Grille to Install the Indoor UnitHow to remove the grille Switching the remote controller address MaintenanceAddress Setting of the Remote Control Unit Removing and Mounting the Drain Hose Removing the Electrical Component Box Page Removing the Panel Motor Removing and Mounting the Drain Pan Air Outlet Assy Removing the Drain Pan Air Outlet AssyMounting the Drain Pan Air Outlet Assy Water in the drain panRemoving the Negative Ion Generator Mounting the Fan Motor Removing and Mounting the Fan MotorRemoving the Fan Motor Removing the Fan How to Disconnect How to ConnectFunctions Operation FunctionsEmergency operation Auto cooling/heating operationTimer backup Lamp colorsCompressor discharge temperature control Protective FunctionsOverload prevention during heating Freeze preventionNon-Stop Defrosting Mode CoolingMode Heating Method of Self-Diagnostics TroubleshootingPrecautions before Performing Inspection or Repair Self-diagnostics Lamps ION Timer OperationChecking the Indoor and Outdoor Units Diagnostic procedure Diagnostic resultsRemedy for symptom 3 to Trouble Diagnosis of Indoor and Outdoor Fan MotorOutdoor Fan Motor Electromagnetic interference Noise Malfunction and Electromagnetic InterferenceNoise malfunction Upper right screw Grille Screw Flap Screw cover Making a Diagnosis of the Panel Motor Checking Electrical Components Measurement of Insulation ResistanceChecking Continuity of Fuse on PCB Assy Refrigerant R410A Special Precautions When Servicing Unit Characteristics of New Refrigerant R410AChecklist before Servicing Size of flareTubing precautions No addition of compressor oil for R410ANo use of refrigerant other than R410A If refrigerant R410A is exposed to fireTubing Installation Procedures Tools Specifically for R410AFor servicing, use the following tools for R410A Tool Distinction Tool NameProcedure for Replacing Compressor Case of Compressor MalfunctionConfiguration and characteristics of cylinders RechargingNever charge a large amount Unit. This may causeCase Refrigerant is Leaking Welding leaking pointsWhen Tubes are Extended Charging Additional RefrigerantRetro-Fitting Existing Systems Use of Existing UnitsOI-852-6-4180-791-00-0 Features Child LockProduct Information ContentsAlert Symbols Electrical Requirements Installation LocationSafety Instructions Names of Parts Unit Display and Operation Button Remote Control Unit Display Remote Control Unit Auto HeatDRY CoolUsing the Remote Control Unit ONE TIME/EVERYDAYControl Unit Using the Remote Control UnitRemote control unit mount Mounting screws 4 x 16 included Operation with the Remote Control Unit StepStep Press the ON/OFF operation buttonOperation with the Remote Control Unit Cover closed Cover opened StepAdjusting the Fan Speed Cooling and DRY Mode Night Setback Mode is used for saving energySetting Setting TemperatureQuiet Mode Special Remarks Operation Indication Setting the TimerExample To set to Setting the Timer To cancel a timer program Press the Cancel button2230 610 2000 Present time OFFUsing the 1.2.3.5-Hour OFF Timer Setting procedureCancellation procedure Operation together with the Daily ON/OFF Repeat TimerFAN Heat Adjusting the Airflow DirectionSweep Care and Cleaning Indoor UnitCare and Cleaning How to replace the anti-moldRemounting the front panel FilterHow to clean the air clean filter Negative ion generator metal electrodes inside plastic caseTrouble Possible Cause Remedy TroubleshootingOperating Range Osaka, Japan Sept

SAP-KRV94EHDX specifications

The Sanyo SAP-KRV94EHDX is a cutting-edge split-type air conditioning unit that exemplifies advanced technology and efficiency. Designed for both residential and commercial spaces, this model is equipped with features that cater to various cooling and heating needs.

One of the main highlights of the Sanyo SAP-KRV94EHDX is its energy efficiency. With a high Energy Efficiency Ratio (EER), this unit minimizes energy consumption while maximizing cooling performance. This not only results in lower electricity bills but also contributes to a reduced carbon footprint, making it an environmentally friendly choice for users.

The SAP-KRV94EHDX employs inverter technology, which allows the compressor to adjust its speed dynamically based on the temperature requirements of the environment. This means that the unit operates more quietly and uses less energy when maintaining a consistent temperature. The inverter system ensures that the air conditioner can quickly reach the desired cooling or heating temperature and maintain it without the frequent on-off cycles typical of traditional units.

Additionally, the air conditioning unit comes with a powerful cooling capacity, effectively managing larger spaces. It can easily handle varying ambient conditions while providing rapid cooling in extremely warm weather, making it perfect for areas with hot climates.

Other notable features include a user-friendly remote control, allowing users to adjust settings from a distance effortlessly. The unit also incorporates a multi-stage air filtration system designed to remove dust, allergens, and other airborne particles, contributing to better indoor air quality.

The Sanyo SAP-KRV94EHDX is not just about functionality; it also boasts a sleek and modern design that blends seamlessly with various interior aesthetics. Its quiet operation ensures that it does not disturb daily activities, making it suitable for bedrooms, offices, and living spaces.

Moreover, the unit comes with various operational modes, including cooling, dehumidification, and a heating function. This versatility makes the SAP-KRV94EHDX an all-season solution for climate control.

In summary, the Sanyo SAP-KRV94EHDX is a top-tier air conditioning unit that combines efficiency, advanced technology, and user convenience. Its inverter technology, multi-stage air filtration, and modern design make it a reliable choice for anyone seeking comfort throughout the year.