Sanyo CH2432, XHS3632, XHS2432, CH3632 service manual Meanings of alarm messages, Controller Display

Page 58

4. Service procedures

Section

1

2

3

4

(3)Meanings of alarm messages

If an error occurred in the air conditioner, the error condition is presented by indicating the error code in the wired remote controller display or by the combination of lamp statuses for operation, timer and heat stand-by (OFF status and flashing status).

Possible causes of troubles

 

Wired remote

Wireless remote

 

controller

controller

 

 

 

 

 

display

display

 

 

Remote controller is detecting

 

Error receiving of serial communications signal.

E01

Operation lamp

 

 

unusual signal from indoor unit.

 

 

 

flashes

 

 

 

Error transmitting of serial communications signal.

E02

 

 

 

 

 

 

 

• Indoor unit is detecting unusual signal from the remote controller and group control.

E03

O: Operation lamp

 

 

(No serial communications signal)

 

 

⬤: Timer lamp

 

 

 

 

 

 

setting-

Improper setting of indoor unit or

 

Indoor unit address setting is duplicated.

E08

⬤:Heat stand-by

remote controller.

 

Remote controller address (RCU.ADR) is duplicated.

E09

lamp

• Mis

 

 

 

 

 

Indoor unit is detecting unusual

 

Error transmitting of serial communications signal

E10

 

errors

signal from signal option.

 

 

 

 

 

Error receiving of serial communications signal.

E11

 

 

 

 

 

 

 

 

 

communication

Improper setting of indoor unit or

 

When using flexible combination control, main indoor unit address

E14

 

Outdoor unit is detecting

 

Error receiving of serial communications signal.

E06

 

 

 

remote controller.

 

setting is duplicated. (judged by outdoor unit.)

 

 

 

 

Indoor unit is detecting unusual

 

Error receiving of serial communications signal.

E04

Heat stand-by

 

 

signal from outdoor unit.

 

Error transmitting of serial communications signal

E05

lamp flashes

 

 

 

 

 

 

 

 

 

 

⬤:Operation lamp

• Serial

unusual signal from indoor unit.

 

 

 

 

(Confirmation error of unit numbers included)

 

⬤: Timer lamp

 

 

 

 

 

Error transmitting of serial communications signal.

E07

O: Heat stand-by

 

 

 

 

 

 

lamp

 

 

Auto. address setting is not

 

No. of judged indoor units or total capacity of indoor units is small.

E15

 

 

 

 

 

 

correct.

 

No. of judged indoor units or total capacity of indoor units is large.

E16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Indoor unit is detecting unusual

 

Error transmitting of serial communications signal

E17

 

 

 

signal from another indoor unit.

 

 

 

 

 

 

 

Error receiving of serial communications signal.

E18

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Improper setting of indoor unit or

 

Indoor unit group address is not correct.

L01

Operation lamp and

 

 

remote controller.

 

Model setting of indoor unit is not matching the outdoor unit.

L02

heat stand-by lamp

 

 

 

 

flash at the same time.

 

 

 

 

 

 

 

 

 

 

When using group control, main indoor unit address setting is duplicated.

L03

 

 

 

 

O: Operation lamp

setting-

 

 

(judged by indoor unit.)

 

 

 

 

O: Heat stand-by

 

 

 

 

Outdoor unit address is duplicated.

L04

⬤: Timer lamp

 

 

 

 

 

• Mis

 

 

 

 

 

 

 

Improper wiring between indoor units.

L07

lamp

 

 

(There is a group connection wiring in case of individual control.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Indoor unit address (or group address) is not set.

L08

 

 

 

 

 

Capacity code of indoor unit is not set.

L09

 

 

 

 

 

 

 

 

 

 

 

 

Improper wiring of group control wiring.

L11

 

 

 

 

 

 

 

 

 

 

 

 

Indoor unit model setting is improper (capacity)

L13

 

 

 

 

 

 

 

Improper wiring connections of ceiling panel.

P09

⬤: Operation lamp

 

 

 

 

 

 

O: Timer lamp

device

Protective device in indoor unit

 

Thermal protector in indoor fan motor is activated.

P01

 

O: Heat stand-by

 

 

is activated.

 

Float switch is activated.

P10

lamp

 

 

 

 

 

protective

Protective device in outdoor unit

 

• Thermal protector in outdoor fan motor is activated.

P02

Operation lamp and heat

 

stand-by lamp flash

is activated.

 

• Compressor thermal protector is activated.

 

 

 

 

 

• Power supply voltage is unusual. (The voltage is more than

 

alternately.

 

 

 

 

 

O: Operation lamp

of

 

 

260 V or less than 160 V.)

 

 

 

Discharge gas temperature of comp. is unusual.

P03

⬤: Timer lamp

Activation•

 

 

 

 

 

 

O: Heat stand-by

 

 

High pressure switch is activated.

P04

 

 

 

 

 

 

 

 

lamp

 

 

 

 

 

 

 

 

 

 

Voltage drops.

P05

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Other indooor unit is warning.

P31

 

 

 

 

 

 

 

 

SM830076

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Contents Split System AIR Conditioner Please Read Before Starting If Necessary, Get HelpWHO should USE this Manual Table of Contents Service Procedures Introduction Read Me First Specifications Specifications Unit Specifications PerformanceData Subject to Change Without Notice Model No Indoor Unit XHS3632 Outdoor Unit PNR-XHS3632 Specifications Major Component Specifications Indoor Unit Fan motorModel No XHS3632 Source Specifications Major Component Specifications Outdoor Unit CompressorModel No CH3632 Source Specifications Other Component Specifications Indoor Unit Model No XHS2432 Power TransformerXHS3632 Power Transformer Specifications Other Component Specifications Outdoor Unit Model No CH2432Model No CH3632 Specifications Dimensional Data Indoor Unit XHS2432 Specifications Dimensional Data Indoor Unit XHS3632 Dimensional Data Outdoor Unit CH2432 SpecificationsSpecifications Dimensional Data Outdoor Unit CH3632 Operating Range Specifications Refrigerant Flow Diagram Outdoor Unit CH2432Indoor Unit XHS2432 Specifications Refrigerant Flow Diagram Outdoor Unit CH3632 Indoor Unit XHS3632Processes and1.Specificationsfunctions Processes and FunctionsProcesses and functions Room Temperature ControlCooling Heating Cold Draft Prevention Heating Cycle Chart Explanations and notes Automatic Fan Speed Indoor UnitOutdoor Fan Speed Control Freeze Prevention Cooling Condensing Temperature Control Cooling Overload Protection Heating This function prevents the air conditioner from overloadingDischarge Temperature Control Cooling and Heating Auto. Mode for Automatic Heating/Cooling Switching Processes and functions Time Chart for Defrosting Defrosting Control, Outdoor Heat Exchanger Coil HeatingNormal Control Mode 11 4-Way Valve, Solenoid ControlAutomatic Restart after Power Interruption Auto Control ModeHeating Except During Defrosting Compressor Discharge Gas TemperatureElectronic Expansion Valve Fuzzy ControlCompressor Current Detection Circuit Overload ProtectionRefrigerant flow distribution control Contents and Order of controlElectronic Expansion Valve Control Fuzzy control optimal refrigerant flow rate controlVoltage Detection Control Processes and functions Electrical Data Electrical dataIndoor Unit XHS2432, XHS3632Schematic Diagram CH2432 OutdoorUnitOutdoor Unit ControllerElectric Wiring Diagram CH3632FMO1 FMO2 Electrical data Service Procedures Service proceduresTroubleshooting This section explains Check power supply wiring Service procedures Check before and after Troubleshooting Check power supply Check inter-unit wiringCooling Service procedures Heating Meanings of alarm messages Controller DisplayWireless remote Controller Display Refrigerant Shortage Service procedures Symptoms and parts to inspect SM830076 0335MI Influenced by external noise Yes Start Is there connector contact defect? Correct the connection 0343MI Symptom LCD on the remote controller displays Check E15 Symptom LCD on the remote controller displays Check E16 0346MI Indoor fan does not operate Compressor motor does not operate Set service check switches Service procedures Use the test run procedure Service procedures Check the sensor temperature readings Find out about past service problems SET Temp Check the remote controller itself for correct operation Service procedures Execute the auto. address operation 0362MI 0364MI Change the shift temperature in heating mode Service procedures Set the indoor unit address Set the No. of R. C. which you want to set with , button 0371MI Service procedures Change the period of the filter timer Checking the Electrical Components Measurement of Insulation ResistanceChecking the Protective Devices Compressor motor thermal protector . . . . . . Outdoor unitService procedures Checking the Electrical Parts Power transformer TR1Motor capacitor ............ Both in indoor and outdoor unit Continuity of fuse on P.C.B. Ass’yCompressor motor CM ……… Outdoor unit Case of single -phase compressorSolenoid coil of the electronic refrigerant Compressor motor magnetic contactor 52C ………… Outdoor unitService procedures Sensor and Solenoid Layout Diagram CH2432XHS3632 Service procedures Thermistor Characteristic Curve Setting of indoor control P.C.B Service procedures C.B. SettingCentral control when using the *system controller Standard control single outdoor unitBoth OFF Set to When shipped from factory Service procedures Automatic Address Setting Method Displaying Indoor / Outdoor Unit Combination NumbersItems to Check Prior to Test Run Service procedures Test Run 100 Test Run Procedure Service procedures 12 P.C.B. and Parts Location CR-THS2432CR-CH2432 Checking procedure for each P.C.B Service procedures Check Pins Switch the pin from normal operation to check operationCentral Region
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