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1. Before troubleshooting 1) Required tools/instruments • + and – screwdrivers, spanners, radio cutting pliers, nippers, etc. • Tester, thermometer, pressure gauge, etc. 2) Confirmation points before check a) The following operations are normal. 1. Compressor does not operate. • Is not 3-minutes delay (3 minutes after compressor OFF)? • Is not the outdoor unit in standby status though the remote controller reached the setup temperature? • Does not timer operate during fan operation? • Is not an overflow error detected on the indoor unit? • Is not outside high-temperature operation controlled in heating operation? 2. Indoor fan does not rotate. • Does not cool air discharge preventive control work in heating operation? 3) Outdoor fan does not rotate or air volume changes. • Does not high-temperature release operation control work in heating operation? • Does not outside low-temperature operation control work in cooling operation? • Is not defrost operation performed? 4) ON/OFF operation cannot be performed from remote controller. • Is not forced operation performed? • Is not the control operation performed from outside/remote side? • Is not automatic address being set up? • Is not being carried out a test run by operation of the outdoor controller? a) Did you return the cabling to the initial positions? b) Are connecting cables between indoor unit and receiving unit correct? 2. Troubleshooting procedure (When the power is turned on at the first time or when indoor unit address setting is changed, the operation cannot be performed for maximum approx. 5 minutes after power-ON.) When a trouble occurred, check the parts along with the following procedure. Confirmation of lamp display Trouble → (When 4-way air discharge cassette type → wireless remote controller is connected) Check defective position and parts. 1) Outline of judgment The primary judgment to check where a trouble occurred in indoor unit or outdoor unit is performed with the following method. Method to judge the erroneous position by flashing indication on the display part of indoor unit (sensors of the receiving unit) The indoor unit monitors operating status of the air conditioner, and the blocked contents of self-diagnosis are displayed restricted to the following cases if a protective circuit works. – 88 –
10-2. Troubleshooting 10-2-1. Outline of judgment The primary judgment to check whether a trouble occurred in the indoor unit or outdoor unit is carried out with the following method. Method to judge the erroneous position by flashing indication on the display part of the indoor unit (sensors of the receiving part) The indoor unit monitors the operating status of the air conditioner, and the blocked contents of self-diagnosis are displayed restricted to the following cases if a protective circuit works. : Go off, : Go on, : Flash (0.5 sec.) Lamp indication Operation Timer Ready No indication at all Operation Timer Ready Flash Operation Timer Ready Flash Check code — E01 E02 E03 E08 E09 E10 E18 E04 Receiving error ⎫ ⎬ Receiving unit Sending error ⎭ Communication stop Cause of trouble occurrence Power supply OFF or miswiring between receiving unit and indoor unit Duplicated indoor unit No. Duplicated master units of remote controller ⎫ ⎪ ⎬ ⎪ ⎭ Miswiring or wire connection error between receiving unit and indoor unit ⎫ ⎬ ⎭ Setup error Communication error between CPUs on indoor unit P.C. board Wire connection error between indoor units, Indoor power OFF (Communication stop between indoor master and follower or between main and sub indoor twin) Miswiring between indoor unit and outdoor unit or connection erorr (Communication stop between indoor and outdoor units) Operation Timer Ready Alternate flash P10 P12 Overflow was detected. Indoor DC fan error ⎫ ⎬ ⎭ Protective device of indoor unit worked. P03 P04 Outdoor unit discharge temp. error Outdoor high pressure system error ⎫ ⎬ ⎭ Protective device of outdoor unit worked. ∗1 Operation Timer Ready P05 P07 P15 Negative phase detection error Heat sink overheat error Gas leak detection error ⎫ ⎪ ⎬ ⎪ ⎭ Outdoor unit error Alternate flash P19 P20 4-way valve system error (Indoor or outdoor unit judged.) Outdoor unit high pressure protection P22 P26 P29 Outdoor unit: Outdoor unit error Outdoor unit: Inverter Idc operation Outdoor unit: Position detection error ⎫ ⎪ ⎬ ⎪ ⎭ Protective device of outdoor unit worked. ∗1 P31 Stopped because of error of other indoor unit in a group (Check codes of E03/L03/L07/L08) ∗1: These are representative examples and the check code differs according to the outdoor unit to be combined. – 89 –
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SERVICE MANUAL FILE NO. A07-003 Rev
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7. REFRIGERANT R410A ..............
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WARNING Check earth wires. Prohibit
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• New Refrigerant (R410A) This ai
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1. SPECIFICATIONS Revised 2: Jun.,
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Revised 2: Jun., 2008 Indoor unit
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1-1-2. Concealed Duct Type Model I
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1-1-3. Under Ceiling Type Revised
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1-1-4. High Wall Type Revised 2: J
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1-1-5. Compact 4-Way Cassette (600
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1-1-6. Slim Duct Type Model Coolin
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Revised 2: Jun., 2008 Indoor unit 1
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1-2. Outdoor Unit Model name Outdo
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1-3. Operation Characteristic Curve
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2. CONSTRUCTION VIEWS (EXTERNAL VIE
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Revised 2: Jun., 2008 RAV-SM1104UT-
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- 33 - 365 17.5 17.5 74 Drain hole
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RAV-TWP30E2, RAV-TWP50E2 (Simultane
Page 37 and 38: 3-2. Outdoor Unit RAV-SP1104AT-E, S
Page 39 and 40: 4-1. Slim Duct (Filter Attached) 4.
Page 41 and 42: 5-1-2. Slim Duct Type RAV-SM404SDT-
Page 43 and 44: - 43 - CAUTION : HIGH VOLTAGE The h
Page 45 and 46: 6-2. Outdoor Unit (Parts Ratings) R
Page 47 and 48: Table 7-2-1 Thicknesses of annealed
Page 49 and 50: 43˚to 45˚ 45˚to 46˚ B A C D Fig
Page 51 and 52: 1) Be sure to make setting so that
Page 53 and 54: 7-6. Instructions for Re-use Piping
Page 55 and 56: Revised 2: Jun., 2008 7-6-6. Handli
Page 57 and 58: 7-6-8. Recovery method of refrigera
Page 59 and 60: 8-1-2. Connection of Wireless Remot
Page 61 and 62: 8-2. Control Specifications No. Ite
Page 63 and 64: No. Item Outline of specifications
Page 75 and 76: Optional power supply CN309 (Yellow
Page 77 and 78: - 77 - L-phase power supply lead (B
Page 79 and 80: 3. Outdoor fan control SP110 SP140
Page 81 and 82: 7. Current release value shift cont
Page 83 and 84: 1. Pulse Motor Valve (PMV) control
Page 85 and 86: 2) Heating fan control The outdoor
Page 87: 10-1. Summary of Troubleshooting 1
Page 91 and 92: 10-2-2. Others (Other than Check Co
Page 93 and 94: - 93 - Check Code List (Outdoor) Re
Page 95 and 96: Error mode detected by indoor unit
Page 97 and 98: Error mode detected by outdoor unit
Page 99 and 100: 10-2-4. Diagnostic Procedure for Ea
Page 101 and 102: Revised 2: Jun., 2008 [E18 error] I
Page 103 and 104: [P10 error] Is connection of float
Page 105 and 106: [F02 error] Revised 2: Jun., 2008
Page 107 and 108: [E03 error] (Master indoor unit) [
Page 109 and 110: Check code Outdoor LED display Che
Page 113 and 114: Check code [L29] Outdoor LED displa
Page 119 and 120: Temperature sensor Temperature - Re
Page 121 and 122: Lamp indication Check code Cause of
Page 123 and 124: - 123 - Check Code List (Outdoor) R
Page 125 and 126: Error mode detected by remote contr
Page 127 and 128: 10-2-9. Diagnostic Procedure for Ea
Page 129 and 130: [E18 error] Is inter-unit cable of
Page 131 and 132: [P10 error] Revised 2: Jun., 2008
Page 133 and 134: [F02 error] Revised 2: Jun., 2008
Page 135 and 136: [E03 error] (Master indoor unit) [
Page 137 and 138: Check code [F12] [Suction temp. sen
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Check code [P22] [Fan system error]
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11. REPLACEMENT OF SERVICE P.C. BOA
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Revised 2: Jun., 2008 Setting 4-way
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Revised 2: Jun., 2008 Table 1. Sett
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12-1. Indoor Unit 12. SETUP AT LOCA
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Procedure 1 2 Turn on power of the
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12-1-4. Function Selection Setup P
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DN Item Contents At shipment from f
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12-1-6. Monitor Function of Remote
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n Indoor unit power-ON sequence Pow
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4. Wiring specifications • Use 2-
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2. How to confirm the central contr
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4. How to set louver lock (Louver f
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Be sure to make ceiling setting whe
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12-4-3. Service Support Function (L
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2) Error display The error which i
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4) Specific operation for maintenan
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13. ADDRESS SETUP Revised 2: Jun.,
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13-2-2. Automatic Address Example f
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Revised 2: Jun., 2008 13-3. Remote
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13-5. Confirmation of Indoor Unit N
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14. DETACHMENTS Revised 2: Jun., 20
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No. Part name Procedure Remarks 4 C
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No. Part name Procedure Remarks 6 D
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No. Part name Procedure Remarks 7 F
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14-1-2. Slim Duct Type RAV-SM404SDT
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No. Part name Procedure Remarks 5 P
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No. Part name Procedure Remarks 4 R
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No. Part name Procedure Remarks 7 P
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15. EXPLODED VIEWS AND PARTS LIST R
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RAV-SM564UT-E, RAV-SM804UT-E, RAV-S
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RBC-AX31U (W)-E, RBC-AX31U (WS)-E 3
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Revised 2: Jun., 2008 Location No.
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15-2. Outdoor Unit RAV-SP1104AT-E,
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RAV-SP1104AT-E, RAV-SP1104ATZ-E, RA
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Location No. Part No. Description 1
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WARNINGS ON REFRIGERANT LEAKAGE Che
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