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112

TROUBLESHOOTING

Troubleshooting Error Code - E5

Replace the fuse

Error Code:

E5 - Open Fuse

Applicable Models:

Outdoor units

Indoor units

Method of Error Detection:

Integrated control module LED

display provides the indicated

error code

Error Decision Conditions:

Blown fuse

Does the fuse

have good

continuity?

Yes

Board is

reading E5

Replace the board

Does the low

voltage wiring

show a short?

Yes

Correct the low voltage wiring

ERROR CODE - E5

Содержание ComfortNet DX7TC

Страница 1: ...Y OR PROPERTY DAMAGE ARISING FROM IMPROPER SUPERVISION SERVICE OR SERVICE PROCEDURES IF YOU SERVICE THIS UNIT YOU ASSUME RESPONSIBILITY FOR ANY INJURY OR PROPERTY DAMAGE WHICH MAY RESULT IN ADDITION I...

Страница 2: ...technical assistance line for dealers email us at customerservice daikincomfort com fax us at 713 856 1821 Outside the U S call 1 713 861 2500 Not a technical assistance line for dealers Your telephon...

Страница 3: ...c compressor to be electrically energized and or operated without having the terminal protective cover properly in place See Service Section S 17 for proper servicing Refrigerants are heavier than air...

Страница 4: ...ns Type X AC R 410A 1 208 230V Single Phase 60 Hz Z 3 208 230V Three Phase 60 Hz 4 460V Three Phase 60 Hz SEER 16 16 SEER Nominal Capacity 024 2 Tons Compressor 036 3 Tons S Single Stage 048 4 Tons T...

Страница 5: ...n EEM Motor Electrical W Wall Mount PSC EEM Motor 1 208 240V 1 Phase 60 Hz Cabinet Finish U Unpainted B 17 1 2 Wide P Painted C 21 Wide N Uncased D 24 1 2 Wide Expansion Device F Flowrator 18 1 1 2 To...

Страница 6: ...inet B Fits 17 1 2 Furnace Cabinet C Fits 21 Furnace Cabinet D Fits 24 1 2 Furnace Cabinet N Does Not Apply Horizontal Slab Coils Cabinet Finish U Unpainted 1 1 2 2 Tons P Painted 2 1 2 Tons N Unpaint...

Страница 7: ...Finish U Uncased Nominal Width for Gas Furnace h t d i W 4 1 A d e t n i a P d e s a C P h t d i W 5 7 1 B d e t n i a p n U d e s a C C C 21 Width h t d i W 5 4 2 D e c i v e D n o i s n a p x E p A...

Страница 8: ...nd MB Modular Blower 1 208 230V 60Hz 1 PH Type A First Series V Communication Feature A No Circuit Breaker C 4 Wire Communication Ready B Circuit Breaker Airflow 12 00 No Heat 16 20 2000 CFM Variable...

Страница 9: ...1 2 Tons 49 3 3 1 2 Tons 31 2 Tons 59 4 5 Tons 33 1 1 2 2 Tons 60 5 Tons 36 3 Tons 61 4 5 Tons C ComfortNetTM Compatible Cabinet Finish Expansion Device T Expansion Valve F Flowrater Engineering Majo...

Страница 10: ...13 8 14 5 4 14 6 15 5 3 15 6 16 5 6 16 6 17 5 7 17 6 18 5 8 18 6 19 5 9 19 6 0 Electrical 1 208 230 V 1 Phase 60 Hz 3 208 230 V 3 Phase 60 Hz Compressor 4 460 V 3 Phase 60 Hz S Single Stage T Two Sta...

Страница 11: ...efrigerant Motor 4 R410A S MS ECM 6 R410A or R22 V VS ECM Communica ng Electrical Expansion Device 1 208 230 V 1 Phase 60 Hz E Electronic Expansion Valve F Thermal Expansion Valve T Expansion Valve Ca...

Страница 12: ...12 PRODUCT IDENTIFICATION HKS X 03 X A AA 1 2 3 4 5 6 7 Revisions HKS Phase X C 03 15 05 19 06 20 08 25 10 H Special case 208 V Refer S R Plate...

Страница 13: ...KIN BRAND X AC 16 SEER TWO STAGE COMPRESSOR COMMUNICATING Model Rev Description DX18TC 024 060 1AA Introduces Daikin brand 2 stage 18 SEER condensing units with R 410A communicating models DX18TC0 24...

Страница 14: ...ESSOR COMMUNICATING Model Rev Description DZ18TC 024 060 1AA Introduces Daikin brand 2 stage 18 SEER heat pump units with R 410A communicating models DZ18TC 024 060 1AB Introduces Daikin brand 2 stage...

Страница 15: ...roduction DV33PTCC14AA DV39PTCC14AA DV49PTCC14AA Upgrade the current DV PTC C 49 cabinets to include 1 quality improvements captured in Ready15 design 2 include redesigned drain pan Morrison blower ho...

Страница 16: ...1 AD Introduction of a module blower with variable speed blower motor with communicating control serial communicating indoor blower motor Introduces a new Communicating Air Handler Control Board PC MB...

Страница 17: ...Houston Designated by R CAUFA 6AA CAUFA 6BA Initial release of 7mm AL CAUFA Upflow Downflow coils CAUFA 6BA Major revision update for A chassis drain port relocation CAUFA 6CA Major revision update fo...

Страница 18: ...D6DB Drain pan material change to a Decabromodiphenyl Ether free resin CHPF1824A6CC CHPF2430B6CC CHPF3636B6CC CHPF3642C6CC CHPF3642D6CC CHPF3743C6BC CHPF3743D6BC CHPF4860D6DC Change to prepainted wrap...

Страница 19: ...provide increased ease of installation CAPFA1818A6AA CAPFA1818B6AA Initial release of CAPFA Upflow Downflow 7mm AL coils CAPFA1818A6BA CAPFA1818B6BA Redesigned drain pan replace two piece access panel...

Страница 20: ...4226C6AA CAPFA4226D6AA Initial Release CAPFA1714A6BA CAPFA1714B6BA CAPFA1818A6CA CAPFA1818B6CA CAPFA1818C6CA CAPFA2318A6BA CAPFA2318B6BA CAPFA2318C6BA CAPFA2418A6BA CAPFA2418B6BA CAPFA2418C6BA CAPFA24...

Страница 21: ...red for heat pump applications where ambient temperature fall below 0 F with 50 or higher relative humidity DZ16TC DZ18TC Model Description DZ16TC024 DZ16TC036 DZ16TC048 DZ16TC060 DZ18TC024 DZ18TC036...

Страница 22: ...K01A X X X X OT18 60A Outdoor Thermostat w Lockout Stat X X X X TXV FX KX 2T3 TXV Kit X TXV FX KX 3T3 TXV Kit X TXV FX KX 5T3 TXV Kit X X Contains 20 brackets four brackets needed to anchor unit to pa...

Страница 23: ...8 SWEAT 7 8 NUT DISTRIBUTOR BODY PISTON SEAL For Applications requiring a field installed access fitting EVAPORATOR COIL 1 4 FLARE CONNECTION BULB SUCTION LINE EXPANSION VALVE REMOVE BEFORE INSTALLIN...

Страница 24: ...24 ACCESSORIES Install Line Thermostat Here Install Line Thermostat Here Wire Nut Wire Nut Y Y B l a c k Black Wire Nut Y Wire Nut Y Black Black FSK01A Freeze Thermostat Kit...

Страница 25: ...BVC1200AA 1 X X X X X X MBVC1600AA 1 X X X X X X MBVC2000AA 1 X X X X X X X Allowable combinations Circuit 1 Single Phase for Air Handler Motor Restricted combinations Circuit 2 3 Phase for HKR3 Heate...

Страница 26: ...HKSC20XF HKSC20DA HKSC20DB HKTSD25DA HKTSD25DB DMVT24BP1400 X X X X X X X DMVT30BP1400 X X X X X X X DMVT36BP1400 X X X X X X X DMVT36CP1400 X X X X X X X X X X DMVT42CP1400 X X X X X X X X X DMVT48C...

Страница 27: ...on shall not exceed 20 kW Airflow for 5 kW up to 20 kW heater kits shall be set to 1620 cfm speed tap of ON ON OFF 3 kW heater kit is not applicable for this indoor application 3 5 6 8 10 15 19 20 21...

Страница 28: ...X X X X X X X X X X X HKSX08XC X X X X X X X X X X X X X X HKSX10XC X X X X X X X X X X X X X X HKSC05XC X X X X X X X X X X X X X X HKSC08XC X X X X X X X X X X X X X X HKSC10XC X X X X X X X X X X...

Страница 29: ...iagnostics are integrated into the unitary UC control These models are ComfortNet ready There are a number of design characteristics which are different from the traditional reciprocating and or scrol...

Страница 30: ...nt of the compressor See Figure A Full capacity is achieved by blocking these vents increasing the displacement to 100 A solenoid in the compressor controlled by an external 24 volt ac signal moves th...

Страница 31: ...by the installer and placed under the entire unit with a separate drain line properly sloped and terminated in an area visible to the owner This secondary drain pan is required in the event that there...

Страница 32: ...or is fully liquefied it continues to give up heat which subcools the liquid and it is ready to repeat the cycle HEATING The heating portion of the refrigeration cycle is similar to the cooling cycle...

Страница 33: ...rature is low enough approximately 31 F the microprocessor will accumulate the compressor run time When the total compressor run time reaches 30 60 90 or 120 minutes and there is a call for heat the P...

Страница 34: ...w Filter Dryer Outdoor Coil Thermostatic Expansion Valve Check Valve Reversing Valve De Energized Indoor Coil Accumulator Bi Flow Filter Dryer Outdoor Coil Thermostatic Expansion Valve Check Valve Rev...

Страница 35: ...LVE CHECK VALVE ASSEMBLY IN HEATING OPERATION Most expansion valves used in current Daikin Brand Heat Pump products use an internally checked expansion valve This type of expansion valve does not requ...

Страница 36: ...16 Improper Cooling Anticipator Check Resistance of Anticipator S 3B Shortage of Refrigerant Test For Leaks Add Refrigerant S 101 103 Restricted Liquid Line Remove Restriction Replace Restricted Part...

Страница 37: ...RE 84 S 17D OPERATION TEST 84 S 18 TESTING CRANKCASE HEATER OPTIONAL ITEM 85 S 21 CHECKING REVERSING VALVE AND SOLENOID 85 S 24 TESTING DEFROST CONTROL 85 S 26 TESTING TEMPERATURE SENSORS COMFORTNET R...

Страница 38: ...ow the minimum voltage check the line wire size Long runs of undersized wire can cause low voltage If wire size is adequate notify the local power company in regard to either low or high voltage Unit...

Страница 39: ...demand The air conditioner will then send a fan request along with the low stage cooling airflow demand to the air handler Once received the air handler will send the low stage cooling airflow demand...

Страница 40: ...o a menu structure Refer to the Installation and Start Up instructions shipped with your particular CTKO thermostat DIAGNOSTICS Accessing the air handler s diagnostics menu provides ready access to th...

Страница 41: ...ssed None None Green Receive LED Off No power Communications error No power to air handler Open fuse Communications error Check fuses and circuit breakers replace reset Replace blown fuse Check for sh...

Страница 42: ...TOR b5 BLOWER MOTOR ROTOR LOCKED b6 OVER UNDER VOLTAGE TRIP OR OVER TEMPERATURE TRIP b7 INCOMPLETE PARAMETER SENT TO MOTOR b9 LOW INDOOR AIRFLOW C1 LOW STAGE COOL LEGACY MODE ONLY C2 HIGH STAGE COOL L...

Страница 43: ...er than expected on a call for W1 or Auxiliary Emergency heat Integrated control module LED display provides the indicated error code 1 Flash Heater kit selected via dipswitches does not heater kits s...

Страница 44: ...y be removed after data is loaded Turn power OFF before removing memory card Error code will be cleared once data is loaded Operation different than expected or no operation Integrated control module...

Страница 45: ...MOTOR MISMATCH b2 Incorrect circulator blower motor in air handler Incorrect shared data set in integrated control module Verify circulator blower motor horse power is the same specified for the spec...

Страница 46: ...e to air handler High ambient temperatures Check power to air handler Verify line voltage to blower is within the range specified on the air handler rating plate See Installation Instructions for inst...

Страница 47: ...t HTR TOO SMALL EC Heater kit selected via dipswitches is too small for heater kits in shared data set Verify electric heat dipswitch settings Verify the installed electric heater is valid for the air...

Страница 48: ...network NO NET DATA d0 Air handler blower does not contain any shared data Populate shared data set using memory card Turn power OFF prior to repair Use memory card for the specific model Insert memo...

Страница 49: ...ATCH b2 Incorrect circulator blower motor in air handler blower Incorrect shared data set in integrated control module Verify circulator blower motor horse power is the same specified for the specific...

Страница 50: ...mbient temperatures Check power to air handler blower Verify line voltage to blower is within the range specified on the air handler blower rating plate See Installation Instructions for installation...

Страница 51: ...Y Time delays are used in electric heaters to sequence in multiple electric heaters WARNING Disconnect ALL power before servicing 1 Tag and disconnect all wires from male spade connections of relay 2...

Страница 52: ...ly to L2 3 Energize the system at low or high stage WARNING Line Voltage now present 4 The measured voltage between circuit 3 and circuits 2 or 1 should be approximately 0VAC which indicates the relay...

Страница 53: ...e indicated code ON 1 Flash OFF ON if call present OFF if no call Low Pressure CO Trip LPS OPEN 01 Low refrigerant charge Restriction in liquid line Indoor blower motor failure Indoor thermostat set e...

Страница 54: ...wiring repair replace as needed Check outdoor fan motor capacitor replace as needed Turn power OFF prior to repair Replace with correct replacement part s Compressor and outdoor fan are off Low pressu...

Страница 55: ...epair replace as needed Check compressor wiring repair replace as needed Turn power OFF prior to repair Fault will clear after 1 normal cycle Fault may be cleared by cycling 24VAC to control Replace w...

Страница 56: ...ump message OFF 7 Flashes ON ON if call present OFF if no call Open Run Circuit Lockout OPEN RUN LOCK 07 Compressor run winding is open Compressor not properly wired to control Faulty compressor wirin...

Страница 57: ...on Check transformer replace if needed Turn power OFF prior to repair Fault will clear if secondary voltage rises above 21VAC Replace with correct replacement part s Compressor is off Integrated contr...

Страница 58: ...imer l o o C w o L 1 C l o o C h g i H 2 C t s o r f e D F d d t Max Defrost Time d E Forced Defrost d 0 Data not yet on Netw ork d 1 Invalid Data on Netw ork d 2 SystemMis Match d 3 Configuration Mis...

Страница 59: ...E Compressor relay contacts welded Replace control Turn power OFF prior to repair Replace with correct replacement part Air conditioner heat pump fails to operate Integrated control module diagnostic...

Страница 60: ...type communicating or legacy Populate correct shared data using memory card Wire system as legacy system Turn power OFF prior to repair Use memory card for Insert memory card BEFORE turning power be r...

Страница 61: ...be cleared once data is loaded Very long run time Four consecutive compressor protector trips with average run time between trips greater than 3 hours Compressor operating at high speed and outdoor fa...

Страница 62: ...fan motor wir ing repair replace as needed Chec k outdoor fan motor capacito r replace as needed Turn power OFF pr ior to repair Fault will clear after 4 consecutiv e nor mal cycles Fault may be clea...

Страница 63: ...utility is out of range Turn power OFF pr ior to repair Must clear f ault by cycling 24V AC to control Replace with correct replacement par t s Compressor and outdoor f or greater than 4 hours Low pre...

Страница 64: ...d Turn power OFF pr ior to repair Fault will clear after 1 normal cycl e Fault may be cycling 24VAC to control Replace with correct replacement par t s Compressor and outdoor f Low pressure and high p...

Страница 65: ...f secondar y voltage rises above 21V AC Replace with correct replacement par t s Integrated control module diagnostic status LED displ ay sho ws the indicated code P 0 Comp Protector Open displayed di...

Страница 66: ...pressor relay contacts welded Replace control Turn power OFF prior to repair Replace with correct replacement part Air conditioner heat pump fails to operate Integrated control module diagnostic statu...

Страница 67: ...communicating or legacy Populate correct shared data using memory card Wire system as legacy system Turn power OFF prior to repair Use memory card for Insert memory card BEFORE turning power be remove...

Страница 68: ...leared once data is loaded Very long run time Four consecutive compressor protector trips with average run time between trips greater than 3 hours Compressor operating at high speed and outdoor fan op...

Страница 69: ...motor wir ing repair replace as needed Chec k outdoor fan motor capacito r replace as needed Turn power OFF pr ior to repair Fault will clear after 4 consecutiv e nor mal cycles Fault may be cleared...

Страница 70: ...ty is out of range Turn power OFF pr ior to repair Must clear f ault by cycling 24V AC to control Replace with correct replacement par t s Compressor and outdoor f or greater than 4 hours Low pressure...

Страница 71: ...n power OFF pr ior to repair Fault will clear after 1 normal cycl e Fault may be cycling 24VAC to control Replace with correct replacement par t s Compressor and outdoor f Low pressure and high pressu...

Страница 72: ...t s Air conditioner heat pump may appear to be operating nor mally Compressor protector may be open compressor and outdoor f Integrated control module diagnostic status LED displ ay sho ws the indica...

Страница 73: ...y 21 PSIG for heat pumps and 55 PSIG for air conditioners It will automatically cut in close at approximately 50 PSIG for heat pumps and 95 PSIG for air conditioners Test for continuity using a VOM an...

Страница 74: ...ead a significantly lower capacitance or none at all then capacitor is dead and must be replaced S 16G CHECKING EMERSON ULTRATECH ECM MOTORS DESCRIPTION The DVPTC and MBVC models utilize an Emerson 4...

Страница 75: ...the tool either has an open fuse or is not properly connected to a 24VAC source 8 The green LED on the diagnostic tool will blink indicating communications between the tool and motor See table below f...

Страница 76: ...personal injury or death 1 Disconnect power to air handler or modular blower NOTE Motor contains capacitors that can hold a charge for several minutes after disconnecting power Wait 5 minutes after r...

Страница 77: ...k for selecting one of 4 enhancement profiles and enabling dehumidification and a bank for selecting the installed electric heater kit size Adjustments are made by selecting the appropriate ON OFF com...

Страница 78: ...les above Set switches 5 and 6 to the approriate ON OFFpositions A 60 sec 100 B ON OFF ON OFF ON OFF TAP 1 2 3 4 5 6 To set airflow D 30 sec 50 7 5 min 82 30 sec 50 A OFF OFF OFF OFF OFF OFF 0140A0004...

Страница 79: ...OFF 10 1000 1000 1200 OFF ON ON 15 1400 1500 1500 OFF ON OFF 20 NR NR 2000 OFF OFF ON 21 NR NR NR ON ON ON Factory setting Locate the blower speed selection DIP switches on the integrated control modu...

Страница 80: ...e CFM High stage CFM A 410 610 B 565 835 C 660 970 D 765 1125 A 440 610 B 605 835 C 740 1020 D 885 1225 A 500 725 B 700 1000 C 930 1330 D 1120 1600 A 500 725 B 700 1000 C 930 1330 D 1120 1600 A 560 80...

Страница 81: ...7 5 min 82 60 sec 100 D 7 5 min 82 30 sec 50 To set Airflow 1 Select model and desired High Stage Cooling Airflow Determine the corresponding tap A B C D Set dip switches S1 and S2 to the appropriate...

Страница 82: ...0 1290 1220 1520 1520 1650 1090 19 OFF OFF ON NR NR NR NR 1280 1345 1280 1345 NR NR NR NR 1280 20 OFF OFF ON NR NR NR NR NR NR NR NR 1250 1520 NR 1690 NR 21 OFF OFF OFF NR NR NR NR NR NR NR NR NR NR N...

Страница 83: ...h motor amperage and winding temperature High motor temperature or amperage heats the disc causing it to open breaking the common circuit within the compressor on single phase units Heat generated wit...

Страница 84: ...e the system and measure compressor amperage Cycle the unloader on and off at ten second intervals by applying and removing Y2 voltage to the module Wait five seconds after power is applied to Y2 befo...

Страница 85: ...ssor is directed back to the suction side resulting in excessively high suction pressure An increase in the suction line temperature through the reversing valve can also be measured Check operation of...

Страница 86: ...trol and control of up to two electric heat sequencers The control has thermostat inputs for up to two stages of cooling two stages of electric heat reversing valve and dehumidification Control input...

Страница 87: ...a lines and between each data line and common may be used to determine if the network is operating properly Do the following to measure the voltages on the communications data lines WARNING Line Volta...

Страница 88: ...st to the integrated air handler control along with a fan demand The control energizes the variable speed ECM motor at fan demand provided by the thermostat The fan demand provided by the thermostat w...

Страница 89: ...ies that demand when operating the ECM blower motor 2 11 The system operates at high stage heat pump heating plus auxiliary heat 2 12 Once the thermostat demand is satisfied the CTK0 thermostat comman...

Страница 90: ...the unit The installation manual supplied with the blower coil or the blower performance table in the service manual shows the CFM for the static measured Alternately the system CFM can be determined...

Страница 91: ...place as necessary S 100 REFRIGERATION REPAIR PRACTICE DANGER Always remove the refrigerant charge in a proper manner before applying heat to the system When repairing the refrigeration system WARNING...

Страница 92: ...temperature and pressure resulting in increased power input and reduced performance Moisture chemically reacts with the refrigerant oil to form corrosive acids These acids attack motor windings and p...

Страница 93: ...e top of the stem is 1 8 from the retainer To avoid loss of refrigerant DO NOT apply pressure to the retainer When opening valves without a retainer remove service valve cap and insert a hex wrench in...

Страница 94: ...ults in low system capacity and low suction pressures If these symptoms are observed 1 Check for a restricted liquid line or drier A restriction will be indicated by a temperature drop across the drie...

Страница 95: ...ical information manual for the design subcooling range for your unit S 110 CHECKING EXPANSION VALVE OPERATION 1 Remove the remote bulb of the expansion valve from the suction line 2 Start the system...

Страница 96: ...re than that of the coil temperature non condensables are present Non condensables are removed from the system by first removing the refrigerant charge replacing and or installing liquid line drier ev...

Страница 97: ...60 8 6 162 0 57 0 264 0 87 4 366 0 110 4 468 0 129 0 600 0 149 0 62 10 0 164 0 57 7 266 0 87 9 368 0 110 8 470 0 129 3 604 0 149 5 64 11 3 166 0 58 4 268 0 88 4 370 0 111 2 472 0 129 7 608 0 150 1 66...

Страница 98: ...88 86 84 82 80 78 308 90 88 86 84 82 80 317 92 90 88 86 84 82 326 94 92 90 88 86 84 335 96 94 92 90 88 86 345 98 96 94 92 90 88 354 100 98 96 94 92 90 364 102 100 98 96 94 92 374 104 102 100 98 96 94...

Страница 99: ...n or carbon dioxide until clean 4 Install new components including liquid line drier 5 Braze all joints leak test evacuate and recharge system 6 Start up the unit and record the pressure drop across t...

Страница 100: ...sult proper air handler airflow chart for quantity of air CFM at the measured external static pressure Supply Static 20 wc Return Static 30 wc S 203A TWO PIECE AIR HANDLER EXTERNAL STATIC PRESSURE To...

Страница 101: ...essor 230 Volts to Unit Check Breakers or Fuses Yes 230 Volts to Transformer Check Wiring from Contractor to Transformer Yes 24 Volts from Transformer Yes 24 Volts on Y from Thermostat Yes 24 Volts to...

Страница 102: ...Check Wiring from Contractor to Transformer Yes 24 Volts from Transformer Yes 24 Volts on Y from Thermostat Yes 24 Volts to Contactor Coil Yes No No No No No No No No No Yes Yes Yes Check Pressure Swi...

Страница 103: ...g Device 2nd Stage Operating No Check voltage to 2nd stage solenoid No Yes Coil shows infinite zero or ground Yes No Check resistance of the unloader coil Yes Solenoid coil has continuity Yes No Check...

Страница 104: ...code Error Decision Conditions Compressor and outdoor fan are off Low pressure switch trip 3 times within same thermostat demand Thermostat demand is present Integrated control module diagnostic stat...

Страница 105: ...th average run time between trips greater than 1 minute and less than 15 minutes Low pressure and high pressure switches are closed Integrated control module diagnostic status LED display shows the in...

Страница 106: ...ns Check thermostat and thermostat wiring repair replace as needed Check compressor relay operation replace control as needed Verify low voltage between R Y Does it fluctuate from 24v to 0 No Board is...

Страница 107: ...pair replace as needed Check run capacitor replace as needed Check wiring repair replace as needed Verify line voltage is within range on rating plate control local utility is out of range Is the high...

Страница 108: ...or shorted Correct power supply if out of range Replace motor if necessary No Error Code B0 Blower motor not running B1 Blower motor communication error Board Flashes B0 B1 Yes Check wiring harness a...

Страница 109: ...emp B4 When the motor sets Control Status Flags bit5 1 or bit6 1 bit5 Lost Rotor trip bit6 Current trip B5 When the motor is locked up and the demand for operation has been presented 10 times with no...

Страница 110: ...rror Detection Shown on the system display Error Decision Conditions Air conditioner heat pump fails to operate Integrated control module diagnostic status LED display shows the indicated code Does th...

Страница 111: ...ror Code d2 System mismatch Board Flashes d2 Applicable Models Outdoor AC Outdoor HP Methof of Error Detection Communication data from indoor unit Error Decision Conditions When required CFM exceeds m...

Страница 112: ...Indoor units Method of Error Detection Integrated control module LED display provides the indicated error code Error Decision Conditions Blown fuse Does the fuse have good continuity Yes No Board is...

Страница 113: ...es EC Applicable Models Indoor units Methof of Error Detection Integrated control module LED display provides the indicated error Error Decision Conditions Electric heaters fail to energize on a call...

Страница 114: ...Board misoperation Applicable Models Outdoor units Method of Error Detection Integrated control module LED display provides the indicated error code Error Decision Conditions Compressor relay contact...

Страница 115: ...error code Error Decision Conditions Air conditioner heat pump may appear to be operating normally Compressor protector may be open compressor and outdoor fan off Integrated control module diagnostic...

Страница 116: ...etection Integrated control module LED display provides the indicated error code Error Decision Conditions Check circuit breakers and fuses Verify unit is connected to power supply as specified on rat...

Страница 117: ...ED CONTROL LOW VOLTAGE 24V FIELD SPLICE INTERNAL TO FIELD GRND OVERCURRENT BK BLACK OR ORANGE BL BLUE PK PINK GY GRAY RD RED WH WHITE PU PURPLE YL YELLOW BR BROWN COLOR CODES GN GREEN NOTES 1 PLACE RE...

Страница 118: ...OW VOLTAGE 24V FIELD SPLICE INTERNAL TO FIELD GRND OVERCUR RENT BK BLACK OR ORANGE BL BLUE PK PINK GY GRAY RD RED WH WHITE PU PURPLE YL YELLOW BR BROWN COLOR CODES GN GREEN NOTES 1 PLACE RED WIRES ON...

Страница 119: ...ERVICING OR INSTALLING THIS UNIT M ULTIPLE POWER SOURCES MAY BE PRESENT F AILURE TO DO SO MAY CAUSE PROPERTY DAMAGE PERSONAL INJURY OR DEATH Wiring is subject to change Always refer to the wiring diag...

Страница 120: ...ENT CODE C CH CHS CM COMP CS DT HPS IO LPS OAS OCS RCCF RVS SC SR HPS DT SEE NOTE 3 NOTES 1 USE COPPER SUPPLY WIRES ONLY 2 USE 40VA TRANSFORMER MINIMUM FOR SYSTEM 3 IF DT IS NOT PRESENT HPS BL PK WIRE...

Страница 121: ...RVS SC SR SEE NOTE 3 SEE NOTE 1 HERM C RUN CAPACITOR FAN HIGH VOLTAGE AREA LOW VOLTAGE AREA CHS CH BK RD H F C DT O L R C W1 Y1 E2 Y2 1 2 LPS E22 E23 E9 E26 E7 E1 HPS OAS DT E28 E29 E24 CS 1 3 4 6 E51...

Страница 122: ...SEE NOTE 1 NOTE 6 R R C INDOOR POWER SUPPLY 24 VAC FROM OUTDOOR UNIT R 2 1 C R 2 1 COMMUNICATING INDOOR THERMOSTAT SEE NOTE 6 TO INDOOR COMMUNICATING PCB 0140R00615 C FROM OUTDOOR UNIT LOW VOLTAGE AR...

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