innovair Oasis WO10C1DB2 Service Manual
  1. Manuals
  2. Brands
  3. innovair Manuals
  4. Air Conditioner
  5. Oasis WO10C1DB2
  6. Service manual

innovair Oasis WO10C1DB2 Service Manual

Cool only ductless splits
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Oasis
COOL ONLY
DUCTLESS SPLITS
SERVICE
MANUAL
• The information contained in the manual is intended for use by a qualified service technician
familiar with safety procedures and equipped with the proper tools and test instruments
• Installation or repairs made by unqualified persons can result in hazards to you and others.
• Failure to carefully read and follow all instructions in this manual can result in equipment
malfunction, property damage, personal injury and/or death.
• This service is only for service engineer to use.
WO10C1DB2/HO10C1MR13
WO10C2DB2/HO10C2MR13
WO13C1DB2/HO13C1MR13
WO13C2DB2/HO13C2MR13
WO18C2DB2/HO18C2MR13
WO24C2DB2/HO24C2MR13

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Oasis WO10C1DB2 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for innovair Oasis WO10C1DB2

Summary of Contents for innovair Oasis WO10C1DB2

  • Page 1 Oasis COOL ONLY DUCTLESS SPLITS SERVICE MANUAL WO10C1DB2/HO10C1MR13 WO10C2DB2/HO10C2MR13 WO13C1DB2/HO13C1MR13 WO13C2DB2/HO13C2MR13 WO18C2DB2/HO18C2MR13 WO24C2DB2/HO24C2MR13 • The information contained in the manual is intended for use by a qualified service technician familiar with safety procedures and equipped with the proper tools and test instruments •...
  • Page 3 OASIS ON-OFF SERIES SERVICE MANUAL Table of Cont ent s Page 1. Saf et y Precaut ions..................1 In case of Accidents or Emergency Pre-Installation and Installation Operation and Maintenance 2. Specif icat ions ....................3 Model Refe rence Electrical W iring Diagrams 3.

  • Page 5: Safety Precautions

    OASIS ON-OFF SERIES SERVICE MANUAL Saf et y Precaut ions Cont ent s In Case of Accident s or Emergency ..............2 Pre-Inst allat ion .......................2 Operat ion and M aint enance .................2 w w w . i n n o v a i r . c o m...

  • Page 6: In Case Of Accident S Or Emergency

    OASIS ON-OFF SERIES SERVICE MANUAL To prevent personal injury, or property or unit damage, CAUTION adhere to all precautionary measures and instructions • While unpacking be careful of sharp edges around outlined in this manual. Before servicing a unit, refer to this the unit as well as the edges of the ns on the con - service manual and its relevant sections.

  • Page 7: Specifications

    OASIS ON-OFF SERIES SERVICE MANUAL Specif icat ions Cont ent s M odel Ref erence ....................4 Elect rical Wiring Diagrams ..................5 Indoor Unit ....................Outdoor Unit ....................w w w . i n n o v a i r . c o m...

  • Page 8: Model Reference

    OASIS ON-OFF SERIES SERVICE MANUAL Specifications 1. Model Reference Refer to the following table to determine the specific indoor and outdoor unit model number of your purchased equipment. Indoor Unit Model Outdoor Unit Model Capacity (Btu) Power Supply WO10C1DB2 HO10C1MR13 115V~, 60Hz, WO13C1DB2 HO13C2MR13...

  • Page 9: Elect Rical Wiring Diagrams

    OASIS ON-OFF SERIES SERVICE MANUAL Specifications 2. Elect rical Wiring Diagrams Indoor unit Abbreviat ion Paraphrase Yellow-Green Conductor Positive and Negative Ion Generator Capacitor PLASMA Electronic Dust Collector to CCM Comm.Bus Central Controller (for CAC) X Y E 485 Communication Line LIVE NEUTRAL Heater...
  • Page 10 OASIS ON-OFF SERIES SERVICE MANUAL WO10C1DB2, WO10C2DB2, WO13C1DB2, WO13C2DB2, WO18C2DB2 INDOOR WIRING DIAGRAM OPTIONAL OPTIONAL 16022000020229 Applicable to AC motor only 5(3 or 2) OPTIONAL HEATER SWITCH BOARD CN701 OPTIONAL OPTIONAL E 12V/5V HA HB To Randomly To CCM Comm.Bus or To Remote Alarm To Remote Switch Connected...

  • Page 11: Outdoor Unit

    OASIS ON-OFF SERIES SERVICE MANUAL Out door Unit Abbreviat ion Paraphrase 4-WAY Gas Valve Assembly/4-WAY VALVE AC-FAN Alternating Current FAN DC-FAN Direct Current FAN AC Current Detector COMP Compressor L-PRO Low Pressure Switch H-PRO High Pressure Switch HO10C1MR13, HO10C2MR13, HO13C1MR13, HO13C2MR13 Pressure switch w w w .
  • Page 12 OASIS ON-OFF SERIES SERVICE MANUAL HO18C2MR13 N O TE: 1. The w i r i ng di agr am i s f or expl anat i on pur pose onl y. The act ual shape of t he com ponent s m ay be di f f er ent .

  • Page 13: Table Of Contents

    OASIS ON-OFF SERIES SERVICE MANUAL Product Feat ures Cont ent s Operat ion M odes and Funct ions ................10 Abbreviation ....................Safety Features .................... Digital Display ....................Fan Mode ....................Cooling Mode ..................... Auto-mode ....................Drying Mode ....................Forced Operation Function ................Auto-Restart Function ..................

  • Page 14: Operat Ion M Odes And Funct Ions

    OASIS ON-OFF SERIES SERVICE MANUAL 1. Operat ion M odes and Funct ions Digit al Display Unit display functions Abbreviat ion Unit element abbreviations Abbreviat ion Element Indoor room temperature Coil temperature of evaporator Coil temperature of condenser Outdoor ambient temperature Funct ion Display Saf et y Feat ures...

  • Page 15: Fan Mode

    OASIS ON-OFF SERIES SERVICE MANUAL Fan M ode • After setting the mode, AC will run in auto mode if the compressor keeps not running for certain time. When fan mode is activated: Drying mode • The outdoor fan and compressor are stopped. •...

  • Page 16: Refrigerant Leakage Detection

    OASIS ON-OFF SERIES SERVICE MANUAL 1.10 Ref rigerant Leakage Det ect ion every 3 minutes, with no beeps. The unit automatically sets the temperature according to the measurements • With this new technology, the display area will show from the remote control. “EC”...
  • Page 17 OASIS ON-OFF SERIES SERVICE MANUAL M aint enance and Disassembly Cont ent s M aint enance ......................14 First Time Installation Check ................ Refrigerant Recharge ................... Re-Installation ..................... 1.3.1 Indoor Unit .................. 1.3.2 Outdoor Unit ................Disassembly ......................21 Indoor Unit ....................Outdoor Unit ....................

  • Page 18: M Aint Enance

    OASIS ON-OFF SERIES SERVICE MANUAL 1. M aint enance First Time Inst allat ion Check To prevent air and moisture from a ecting the air Air and moisture trapped in the refrigerant system a ects conditioner’ s performance, the indoor unit, as well as the the performance of the air conditioner by: pipes between the indoor and outdoor unit, must be be •...
  • Page 19 OASIS ON-OFF SERIES SERVICE MANUAL Procedure: • If the pressure does not achieve -0.1 MPa Tighten the flare nuts of the indoor and outdoor (14.5 Psi) after 50 minutes, check for leakage. units, and confirm that both the 2- and 3-way valves are closed.

  • Page 20: Refrigerant Recharge

    OASIS ON-OFF SERIES SERVICE MANUAL Ref rigerant Recharge Prior to recharging the refrigerant, confirm the additional amount of refrigerant required using the following table: M odels St andard lengt h M ax. elevat ion M ax. lengt h Addit ional ref rigerant 9k&12k 5m (16.4ft) 8m (26.2ft)

  • Page 21: Re-Installation

    OASIS ON-OFF SERIES SERVICE MANUAL Re-Inst allat ion 1.3.1 Indoor Unit Collect ing t he ref rigerant int o t he out door unit Procedure: Confirm that the 2- and 3-way valves are opened. Operate the air conditioner in cooling mode. Cease operations when the gauge reaches 0.1 MPa Remove the valve stem caps and ensure that the valve (14.5 Psi).
  • Page 22 OASIS ON-OFF SERIES SERVICE MANUAL Air purging w it h vacuum pump Procedure: • If the pressure does not achieve -0.1 MPa Tighten the flare nuts of the indoor and outdoor units, and confirm that both the 2- and 3-way valves (14.5 Psi) after 50 minutes, check for leakage.

  • Page 23: Outdoor Unit

    OASIS ON-OFF SERIES SERVICE MANUAL 1.3.2 Out door Unit Evacuat ion f or t he w hole syst em Procedure: Close the valve (Low side) on the charge set and turn Confirm that the 2- and 3-way valves are opened. o the vacuum pump.
  • Page 24 OASIS ON-OFF SERIES SERVICE MANUAL Refrigerant charging Procedure: Connect the charge hose to the 3-way service port Open the valves (Low side) on the charge set and and then open the 2- and the 3-way valves. charge the system with liquid refrigerant. Connect the charge hose to the valve at the bottom When the electronic scale displays the correct weight of the cylinder.

  • Page 25: Disassembly

    OASIS ON-OFF SERIES SERVICE MANUAL 2. Disassembly Indoor unit Front Panel Procedure Illust rat ion 1) Hold the front panel by the tabs on Front Panel the both sides and lift it (see CJ_ AF_001). CJ_AF_001 2) Push up the bottom of an air filter, and then pull it out downwards (see CJ_AF_002).
  • Page 26 OASIS ON-OFF SERIES SERVICE MANUAL Procedure Illust rat ion 3) Open the horizontal louver and push the hook towards left to open it (see CJ_AF_003). Horizontal Louver Hook CJ_AF_003 4) Bend the horizontal louver lightly by both hands to loosen the hooks, then remove the horizontal louver (see CJ_AF_004).
  • Page 27 OASIS ON-OFF SERIES SERVICE MANUAL Procedure Illust rat ion 5) Remove 1 screw and then remove the electrical cover(see CJ_AF_005-1 and CJ_AF_005-2). CJ_AF_005-1 CJ_AF_005-2 6) Disconnect the connector for display board(see CJ_AF_005-3) . CJ_AF_005-3 7) Remove the display board(see CJ_ AF_005-4).
  • Page 28 OASIS ON-OFF SERIES SERVICE MANUAL Procedure Illust rat ion 8) Open the screw caps(2) and the remove the screws(see CJ_AF_006). 9) Release the 4 hooks. CJ_AF_006 10) Release the seven hooks in the back (see CJ_AF_007). Hooks CJ_AF_007 Not e: This sect ion is f or ref erence only. Act ual unit appearance may vary.
  • Page 29 OASIS ON-OFF SERIES SERVICE MANUAL Procedure Illust rat ion 11) Pull out the panel frame while pushing the hook through a clearance between the panel frame and the heat exchanger (see CJ_AF_008 ). CJ_AF_008 Panel Frame Not e: This sect ion is f or ref erence only. Act ual unit appearance may vary. w w w .
  • Page 30 OASIS ON-OFF SERIES SERVICE MANUAL Elect rical part s Not e: Remove t he f ront panel (ref er t o 1. Front panel) bef ore disassembling elect rical part s. Procedure Illust rat ion 1) Remove the fixing screw and then remove the cover of electronic box and the terminal cover (see CJ_AF_009).
  • Page 31 OASIS ON-OFF SERIES SERVICE MANUAL Procedure Illust rat ion 4) Remove the fixing screw (see CJ_ AF_011-1). 5) Pull out the Electrical control box along the direction indicated in right image. to remove it (see CJ_AF_011-2). Fixing Screw CJ_AF_011-1 Electronic Box CJ_AF_011-2 Swing Motor Applicable to AC Motor Only...
  • Page 32 OASIS ON-OFF SERIES SERVICE MANUAL Procedure Illust rat ion 7) Remove the fixing screw, then remove the capacitor of fan motor (see CJ_ AF_013). Capacitor of Fan Motor CJ_AF_013 Not e: This sect ion is f or ref erence only. Act ual unit appearance may vary.
  • Page 33 OASIS ON-OFF SERIES SERVICE MANUAL Evaporat or Not e: Remove t he f ront panel and elect rical part s (ref er t o 1. Front panel and 2. Elect rical part s) bef ore disassembling evaporat or. Procedure Illust rat ion 1) Disassemble the pipe holder located at the rear of the unit (see CJ_AF_014).
  • Page 34 OASIS ON-OFF SERIES SERVICE MANUAL Procedure Illust rat ion 4) Pull out the evaporator (see CJ_AF_017). Evaporator CJ_AF_017 Not e: This sect ion is f or ref erence only. Act ual unit appearance may vary.
  • Page 35 OASIS ON-OFF SERIES SERVICE MANUAL Fan mot or and f an Not e: Remove t he f ront panel, elect rical part s and evaporat or (ref er t o 1. Front panel, 2. Elect rical part s, and 3. Evaporat or). bef ore disassembling f an mot or and f an. Procedure Illust rat ion 1) Remove the two screws and remove the...
  • Page 36 OASIS ON-OFF SERIES SERVICE MANUAL St ep mot or Not e: Remove t he f ront panel and elect rical part s (ref er t o 1. Front panel, 2. Elect rical part s) bef ore disassembling st ep mot or. Procedure Illust rat ion 1) Remove the two screws, then remove the...

  • Page 37: Outdoor Unit

    OASIS ON-OFF SERIES SERVICE MANUAL Out door unit Panel Plat e Procedure Illust rat ion 1) Turn o the air conditioner and the power breaker. Big Handle 2) Remove the screws of the big handle and then remove the big handle (2 screws) (see CJ_AA30_001).
  • Page 38 OASIS ON-OFF SERIES SERVICE MANUAL Procedure Illust rat ion 4) Remove the screws of the front panel and then remove the front panel (6 screws) (see CJ_AA30_003). Front Panel CJ_AA30_003 5) Remove the screws of water collecting Water Collecting Cover cover (1 screw) (see CJ_AA30_004).
  • Page 39 OASIS ON-OFF SERIES SERVICE MANUAL Procedure Illust rat ion 6) Remove the screws of the right panel and then remove the right panel (6 screws) (see CJ_AA30_005). CJ_AA30_005 The Right Panel Not e: This sect ion is f or ref erence only. Act ual unit appearance may vary. w w w .
  • Page 40 OASIS ON-OFF SERIES SERVICE MANUAL Procedure Illust rat ion 1) Turn o the air conditioner and the power breaker. Big Handle 2) Remove the screws of the big handle and then remove the big handle (1 screws) (see CJ_AB30_001). CJ_AB30_001 Top Cover 3) Remove the screws of the top cover and then remove the top cover (3...
  • Page 41 OASIS ON-OFF SERIES SERVICE MANUAL Procedure Illust rat ion 4) Remove the screws of the front panel and then remove the front panel (6 screws) (see CJ_AB30_003). Front Panel CJ_AB30_003 5) Remove the screws of water collecting cover (1 screw) (see CJ_AB30_004). Water Collecting Cover CJ_AB30_004 Not e: This sect ion is f or ref erence only.
  • Page 42 OASIS ON-OFF SERIES SERVICE MANUAL Procedure Illust rat ion 6) Remove the screws of the right panel and then remove the right panel (5 screws) (see CJ_AB30_005). Right Panel CJ_AB30_005 Not e: This sect ion is f or ref erence only. Act ual unit appearance may vary.
  • Page 43 OASIS ON-OFF SERIES SERVICE MANUAL Procedure Illust rat ion 1) Turn o the air conditioner and the power breaker. Big Handle 2) Remove the screws of the big handle and then remove the big handle (1 screws) (see CJ_BA30_001). CJ_BA30_001 Top Cover 3) Remove the screws of the top cover and then remove the top cover (3...
  • Page 44 OASIS ON-OFF SERIES SERVICE MANUAL Procedure Illust rat ion 4) Remove the screws of the front panel and then remove the front panel (7 screws) (see CJ_BA30_003). Front Panel CJ_BA30_003 5) Remove the screws of water collecting Water Collecting Cover cover (1 screw) (see CJ_BA30_004).
  • Page 45 OASIS ON-OFF SERIES SERVICE MANUAL Procedure Illust rat ion 6) Remove the screws of the rear net and then remove the rear net (2 screws) (see CJ_BA30_005). CJ_BA30_005 7) Remove the screws of the right panel and then remove the right panel (5 screws) (see CJ_BA30_006).
  • Page 46 OASIS ON-OFF SERIES SERVICE MANUAL Procedure Illust rat ion 1) Turn o the air conditioner and the power breaker. 2) Remove the screws of the big handle and then remove the big handle Big Handle (1 screws) (see CJ_CA30_001). CJ_CA30_001 3) Remove the screws of the top cover Top Cover and then remove the top cover (3...
  • Page 47 OASIS ON-OFF SERIES SERVICE MANUAL Procedure Illust rat ion 4) Remove the screws of the front panel and then remove the front panel (7 screws) (see CJ_CA30_003). Front Panel CJ_CA30_003 5) Remove the screws of water collecting cover and then remove the water collecting cover (1 screw) (see CJ_ CA30_004).
  • Page 48 OASIS ON-OFF SERIES SERVICE MANUAL Procedure Illust rat ion 6) Remove the screws of the right panel and then remove the right panel (6 screws) (see CJ_CA30_005). Right Panel CJ_CA30_005 Not e: This sect ion is f or ref erence only. Act ual unit appearance may vary.
  • Page 49 OASIS ON-OFF SERIES SERVICE MANUAL Fan disassembly Not e: Remove t he panel plat e and (ref er t o 1. Panel plat e) bef ore disassembling f an. Procedure Illust rat ion 1) Remove the nut securing the fan with a spanner (see CJ_ODU_001).
  • Page 50 OASIS ON-OFF SERIES SERVICE MANUAL Procedure Illust rat ion 4) Remove the fixing screws of the fan motor (4 screws) (see CJ_ODU_003). 5) Remove the fan motor. Fan Motor CJ_ODU_003 Not e: This sect ion is f or ref erence only. Act ual unit appearance may vary.
  • Page 51 OASIS ON-OFF SERIES SERVICE MANUAL Procedure Illust rat ion 1) Remove the nut securing the fan with a spanner (see CJ_ODU_004). 2) Remove the fan. D-cut CJ_ODU_004 Fan Motor 3) Disconnect the connectors for fan motor. (Blue wire, red wire, brown wire and black wire.
  • Page 52 OASIS ON-OFF SERIES SERVICE MANUAL Procedure Illust rat ion 4) Remove the fixing screws of the fan motor (4 screws) (see CJ_ODU_006). 5) Remove the fan motor. Fan Motor CJ_ODU_006 Not e: This sect ion is f or ref erence only. Act ual unit appearance may vary.
  • Page 53 OASIS ON-OFF SERIES SERVICE MANUAL Elect rical part s Not e: Remove t he air out let grille(ref er t o 1. Panel plat e) bef ore disassembling elect rical part s. Procedure Illust rat ion 1) Remove the two screws fixed the electronic control board (see CJ_ ODU_007).
  • Page 54 OASIS ON-OFF SERIES SERVICE MANUAL Procedure Illust rat ion Fan Motor 1) Disconnect the wires connected to the compressor. (Red wire connects 4-Way Valve Compressor with PCB board, others connects with terminals) (see CJ_ODU_008) 2) Disconnect the wires connected to 4-way valve.
  • Page 55 OASIS ON-OFF SERIES SERVICE MANUAL Sound blanket WARNING: Recover refrigerant from the refrigerant circuit before remove the compressor. Not e: Remove t he panel plat e, elect rical part s, and f an assembly (ref er t o 1. Panel plat e, 2. Elect rical part s, and 3.
  • Page 56 OASIS ON-OFF SERIES SERVICE MANUAL Compressor WARNING: Recover refrigerant from the refrigerant circuit before remove the compressor. Not e: Remove t he panel plat e, elect rical part s, and f an assembly (ref er t o 1. Panel plat e, 2. Elect rical part s, and 3.
  • Page 57 OASIS ON-OFF SERIES SERVICE MANUAL Procedure Illust rat ion 3) Remove the hex nuts and washers securing the compressor, located on the bottom plate (see CJ_ODU_013). CJ_ODU_013 Suction Pipe 4) Heat up the brazed parts and then remove the the discharge pipe and the suction pipe (see CJ_ODU_014).
  • Page 58 OASIS ON-OFF SERIES SERVICE MANUAL Troubleshoot ing Cont ent s Saf et y Caut ion .....................55 General Troubleshoot ing ..................56 Error Diagnosis and Troubleshoot ing Wit hout Error Code .......57 Remote maintenance ................... Field maintenance ..................Quick M aint enance by Error Code ..............59 Troubleshoot ing by Error Code ................64 Common Check Pr ocedures.................

  • Page 59: Saf Et Y Caut Ion

    OASIS ON-OFF SERIES SERVICE MANUAL 1. Saf et y Caut ion WARNING Elect ricit y remains in capacit ors even w hen t he pow er supply is off . Ensure t he capacit ors are f ully discharged bef ore t roubleshoot ing. Electrolytic Capacitors For other models, connect discharge resistance (approx.100 Ω...

  • Page 60: General Troubleshooting

    OASIS ON-OFF SERIES SERVICE MANUAL 2. General Troubleshooting Error Display (Indoor Unit) When the indoor unit encounters a recognized error, the indicator light will flash in a corresponding series, the timer display may turn on or begin flashing, and an error code will be displayed. These error codes are described in the following table: Indicator Timer...

  • Page 61: Error Diagnosis And Troubleshoot Ing Wit Hout Error Code

    OASIS ON-OFF SERIES SERVICE MANUAL 3. Error Diagnosis and Troubleshoot ing Wit hout Error Code WARNING Be sure t o t urn off unit bef ore any maint enance t o prevent damage or injury. Remot e maint enance SUGGESTION: When troubles occur, please check the following points with customers before field maintenance. Problem Solut ion Unit will not start...

  • Page 62: Field Maintenance

    OASIS ON-OFF SERIES SERVICE MANUAL Field maint enance Problem Solut ion Unit will not start Page 62-63 Compressor will not start but fans run Page 62-63 Compressor and condenser (outdoor) fan will not start Page 62-63 Evaporator (indoor) fan will not start Page 62-63 Condenser (Outdoor) fan will not start Page 62-63...

  • Page 63: Quick M Aint Enance By Error Code

    OASIS ON-OFF SERIES SERVICE MANUAL 4. Quick M aint enance by Error Code If you do not have the time to test whether specific parts are faulty, you can directly change the required parts according the error code. You can find the parts to replace by error code in the following table. Error Code Part requiring replacement...
  • Page 64 OASIS ON-OFF SERIES SERVICE MANUAL 1.Remote Maintenance Electrical Circuit Refrigerant Circuit Possible causes of trouble ☆ ☆ ☆ ☆ Unit will not start Opera�on is erra�c, unpredictable, or unit is unresponsive ☆ ☆ The tempreture on the playboard cannot be se�ed ☆...
  • Page 65 OASIS ON-OFF SERIES SERVICE MANUAL Others ☆ ☆ ☆ ☆ ☆ ☆ ☆ w w w . i n n o v a i r . c o m...
  • Page 66 OASIS ON-OFF SERIES SERVICE MANUAL Electrical Circuit 2.Field Maintenance Possible causes of trouble ☆ ☆ ☆ ☆ ☆ ☆ Unit will not start ☆ ☆ ☆ ☆ ☆ Compressor will not start but fans run ☆ ☆ ☆ Compressor and condenser (outdoor) fan will not start ☆...
  • Page 67 OASIS ON-OFF SERIES SERVICE MANUAL Refrigerant Circuit Others ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆...

  • Page 68: Troubleshoot Ing By Error Code

    OASIS ON-OFF SERIES SERVICE MANUAL 5. Troubleshoot ing by Error Code Common Check Procedures 5.1.1 Temperat ure Sensor Check Disconnect the temperature sensor from PCB, measure the resistance value with a tester. Temperature Sensors. Room temp.(T1) sensor, Indoor coil temp.(T2) sensor, Outdoor coil temp.(T3) sensor, Outdoor ambient temp.(T4) sensor, Measure the resistance value of each winding by using the multi-meter.

  • Page 69: E0(Eeprom Parameter Err Or)

    OASIS ON-OFF SERIES SERVICE MANUAL E0 (EEPROM paramet er error) Descript ion: Indoor or outdoor PCB main chip does not receive feedback from EEPROM chip. Recommended part s t o prepare: • Indoor PCB • Outdoor PCB Troubleshoot ing and repair: Shut o the power supply and turn it on 2 minutes later.

  • Page 70: E1(Indoor And Outdoor Unit Communication Err Or) (Only For Msafd-24Crn1- Nb8W)

    OASIS ON-OFF SERIES SERVICE MANUAL E1 (Indoor and out door unit communicat ion error) (only f or M SAFD-24CRN1-NB8W) Descript ion: The indoor unit has not received feedback from the outdoor unit for 110 seconds, four consecutive times. Recommended part s t o prepare: •...

  • Page 71: E2 (Zero Crossing Detection Error Diagnosis And Solution)

    OASIS ON-OFF SERIES SERVICE MANUAL E2 (Zero crossing det ect ion error diagnosis and solut ion) Descript ion: When PCB does not receive zero crossing signal feedback for 4 minutes or the zero crossing signal time interval is abnormal. Recommended part s t o prepare: •...

  • Page 72: E3 (Fan Speed Has Been Out Of Contr Ol Diagnosis And Solution)

    OASIS ON-OFF SERIES SERVICE MANUAL E3(Fan speed has been out of cont rol diagnosis and solut ion) Descript ion: When indoor fan speed keeps too low (300RPM) for certain time, the unit will stop and the LED will display the failure. Recommended part s t o prepare: •...
  • Page 73 OASIS ON-OFF SERIES SERVICE MANUAL Index: 1. Indoor AC Fan M ot or Power on and set the unit running in fan mode at high fan speed. After running for 15 seconds, measure the voltage of pin1 and pin2. If the value of the voltage is less than 100V(208~240V power supply) or 50V(115V power supply), the PCB must has problems and need to be replaced.

  • Page 74: E4/E5 (Open Cir Cuit Or Short Circuit Of Temperature Sensor Diagnosis And Solution)

    OASIS ON-OFF SERIES SERVICE MANUAL E4/ E5 (Open circuit or short circuit of t emperat ure sensor diagnosis and solut ion) Descript ion: If the sampling voltage is lower than 0.06V or higher than 4.94V, the LED will display the failure. Recommended part s t o prepare: •...

  • Page 75: E7 (Indoor Pcb /Display Boar D Communication Error)

    OASIS ON-OFF SERIES SERVICE MANUAL E7 (Indoor PCB / Display board communicat ion error) Descript ion: Indoor PCB does not receive feedback from Display board. Recommended part s t o prepare: • Wiring mistake • Faulty PCB • Display board malfunction Troubleshoot ing and repair: Power o , then restart the unit 2 minutes later.

  • Page 76: Ec (Refrigerant Leakage Detection Diagnosis And Solution)

    OASIS ON-OFF SERIES SERVICE MANUAL EC (Ref rigerant Leakage Det ect ion diagnosis and solut ion) Descript ion: Define the evaporator coil temp.T2 of the compressor just starts running as Tcool. In the beginning 5 minutes after the compressor starts up, if T2 <Tcool-2°C does not keep continuous 4 seconds and this situation happens 3 times, the display area will show “EC”...
  • Page 77 FOREST ON-OFF SERIES SERVICE MANUAL Appendix Cont ent s Temperat ure Sensor Resist ance Value Table f or T1, T2, T3, and T4 (°C – K) ..74 w w w . i n n o v a i r . c o m...
  • Page 78 OASIS ON-OFF SERIES SERVICE MANUAL i) Temperat ure Sensor Resist ance Value Table f or T1,T2,T3 and T4 (°C – K) °C °F K Ohm °C °F K Ohm °C °F K Ohm °C °F K Ohm 115.266 12.6431 2.35774 0.62973 108.146 12.0561...

This manual is also suitable for:

Oasis wo10c2db2Oasis wo13c1db2Oasis wo13c2db2Oasis wo18c2db2Oasis wo24c2db2Oasis ho10c1mr13 ... Show all

Table of Contents