Fault Code Check List - OrionAir

1 Fault code Check ListFAULT code COVER&TABS_COVERS 26/09/2011 17:14 Page 1 This Fault code Check List isintended to provide an easy-to-use,quick reference guide on all FaultCodes across our product the information in here is limited,please refer to the trouble-shootingsection of the relevant ServiceHandbook(s) for full Fault definitionand guidance. Air ConditioningCity Multi Mr Slim P Series (A) Mr Slim P Series (K)Commercial HeatingPWFYCAHVD omestic HeatingEcodanResistance Tables Back PageCommercial HeatingDomesticHeatingAir ConditioningFAULT code COVER&TABS_Intro 26/09/2011 17:22 Page 1 After Sales Service 0161 866 6089 Option 1 - Air Conditioning TechnicalOption 2 - SparesOption 3 - WarrantyOption 4 - Heating TechnicalOption 5 - ReturnsOption 6 -Training and Site ServiceFAULT code COVER&TABS_Intro 26/09/2011 17:22 Page 2 Comms Fault between boards - Check inverter error detail for which 2 boards, Check transformer, bus voltage and inter-connecting cablesLossnay unit in test runHigh compressor discharge temperature.

2 Discharge temperature has exceeded 110 C or more. Short of refrigerant. Discharge thermistorLow pressure/temperature Fault - Check thermistors (TH2, TH3, TH4), gas charge,indoor fan, heat exchanger and filterLow pressure/temperature Fault - Check thermistors (TH2, TH3, TH4), gas charge,indoor fan, heat exchanger and filterLow pressure/temperature Fault - Check thermistors (TH2, TH3, TH4), gas charge,indoor fan, heat exchanger and filterPreliminary Fault to 1102 Preliminary heat exchanger gas temperature sensor Fault - Check thermistors 10a and 10bPreliminary thermistor Fault (TH5)Preliminary thermistor Fault (TH2)LOSSNAYFAULT CODER4O7cR22x-xxxxx-xxx-xxxxx-xxx-x---xx x-----------4039001102111111121113120212 0412051211 DESCRIPTIONR410 AFAULT code PAGES - to print_CITY MULTI 26/09/2011 15:45 Page 11214 xxx -Preliminary thermistor Fault (THHS)1216 xxx -Preliminary thermistor Fault (TH7)1217 xxx -Preliminary thermistor Fault (TH8)1219 xx- -Preliminary thermistor Fault (TH9)1221 xxx -Preliminary thermistor Fault (TH6)1243 -x- -Preliminary thermistor Fault (TH10)1301 -x- -Low pressure Fault (63L operation) low pressure sensor sensing less than 1 bar immediately before starting1302 xx- -High pressure Fault - Check pressure in system for more than 29 bar (R407c)38 bar (R410A).

3 Check high pressure sensor against gauge pressure 1368 xx- -Pressure sensor Fault (PS1) at BC - compare pressure reading on SW1 on O/C1370 xx- -Pressure sensor Fault (PS3) at BC - compare pressure reading on SW1 at O/C1402 --x -Preliminary Fault to 13021500 xxx -System overcharge. Abnormal low compressor superheat - discharge thermistor TH4 DESCRIPTIONLOSSNAYFAULT CODER4O7cR22R410 AFAULT code PAGES - to print_CITY MULTI 26/09/2011 15:45 Page 21501 xx- -High compressor shell temp - Check for shortage of gas, insufficient indoorindex running (comms room units)1505 xx- -Suction pressure abnormal - generated by low pressure sensor detecting a vacuum - Check for blockage, closed valve or sensor fault2500 xxx -Detecting lack of water flow on a water circuit2502 xxx -I/C has water level in drip tray, when the unit was running in cooling(temperature sensors - Check for open or closed circuit and operation of pump)2503 xxx -I/C has water level in drip tray when the unit was running in cooling(float sensor - Check for closed circuit on float switch and operation of pump)

4 2600 x-x -Water leak from humidifier4100 --- -Compressor over current protection on Mr Slim with M-net interface - Check inverter or compressor4101 --- -Compressor over current protection on Mr Slim with M-net interface - Check inverter or compressor4102 --x -Open phase Fault - Check power supply and noise filter for loss of phase, Check wiring and fusesDESCRIPTIONLOSSNAYFAULT CODER4O7cR22R410 AFAULT code PAGES - to print_CITY MULTI 26/09/2011 15:45 Page 34103 xxx -Reverse phase Fault - Check phase rotation, loss of phase through the noise filter,fuse blown and high pressure switch open at power on4106 --x -Transmission power supply Fault - Check wiring, high current, incorrect voltageon transmission line and/or M-Net board4108 -x- -Over current protection on DOL compressor - Check power supply,contactor and compressor4115 xxx -Power supply abnormal - Check power, fuses, connections and PCB4116 xxx -Fan motor abnormal - Check fan motor and board (relates to indoor unit or Lossnay unit)4124 --- -Thermal switch (49C) open circuit on Mr Slim on M-Net - reset and checkpressures and air flow4210 x-- -Compressor over current problem - Check inverter balance.

5 Compressor and inverter4220 -xx -Low inverter board BUS voltage. Less than 289 VdcDC is detected. - Check mains supply4225 --x -Low DC voltage on Vdc on fan inverter - Check CNVdc for 300 Vdc on diode stackand Check mains power supply to outdoor unit DESCRIPTIONLOSSNAYFAULT CODER4O7cR22R410 AFAULT code PAGES - to print_CITY MULTI 26/09/2011 15:45 Page 44230 xxx -High temperature on heat sink on inverter - Check for blockages in air duct, failure of INV fan or failure of thermistor 4235 --x -Fan inverter heat sink overheat protection. Reduced airflow through heat motor problem. THHS thermistor xxx -Over current protection. If high current is detected for more than 10 minutes - Check inverter balance. Reduced airflow through heat sink4245 --x -Over current protection. Possible ACCT current sensor read 280 ohms between pins 1 & 2 and across pins 3 & 44250 --x -Over current protection.

6 Inverter IPM problem. Compressor lock - Check inverter balance4255 --x -Inverter cooling fan problem - if high static fan is used then Check that SW3-9 is on4260 -xx -Preliminary inverter heat sink overheat protection. Reduced airflow through heat sink. Fan motor problem. THHS thermistor xxx -Thermistor Fault at indoor/outdoor unit - Check Fault code address5102 xxx -Thermistor Fault at indoor/outdoor unit - Check Fault code address5103 xxx -Thermistor Fault at indoor/outdoor unit - Check Fault code addressDESCRIPTIONLOSSNAYFAULT CODER4O7cR22R410 AFAULT code PAGES - to print_CITY MULTI 26/09/2011 15:45 Page 55104 xxx -Thermistor Fault at indoor/outdoor unit - Check Fault code address (indoor Fault - Check SW7-3 is off)5105 xxx -TH5 open/short circuit - Check if the TH is disconnected from the board5106 xxx -TH6 open/short circuit - Check if the TH is disconnected from the board5107 xxx -TH7 open/short circuit - Check if the TH is disconnected from the board5108 xx- -TH8 open/short circuit - Check if the TH is disconnected from the board5109 -x- -TH9 open/short circuit - Check if the TH is disconnected from the board5110 xxx -TH10 open/short circuit - Check if the TH is disconnected from the board5111 x-x -BC box thermistor error - TH11 open/short circuit, disconnected from board/pipe5112 xxx -BC box thermistor error - TH10 open/short circuit, disconnected from board/pipe5113 x-- -BC box thermistor error - TH open/short circuit, disconnected from board/pipe5114 x-- -BC box thermistor error - TH open/short circuit.

7 Disconnected from board/pipe5115 x-x -BC box thermistor error - TH15 open/short circuit, disconnected from board/pipe5116 x-x -BC box thermistor error - TH16 open/short circuit, disconnected from board/pipeDESCRIPTIONLOSSNAYFAULT CODER4O7cR22R410 AFAULT code PAGES - to print_CITY MULTI 26/09/2011 15:45 Page 65201 xxx -Pressure sensor Fault outdoor unit/BC box - Check Fault code address/SW1 pressure sensor readings5202 x-- -Pressure sensor Fault (PS2) in the BC box5203 xxx -Pressure sensor Fault (PS3) in the BC box5300 --- -A-Control UH Fault - see Mr Slim Fault code list5301 -xx -Current sensor Fault , ACCT or DCCT - Check inv. error details5401 --x -Temperature sensor Fault - Check CN30 for humidity sensor5701 --x -Loose float switch connector - Check switch, Check CN4F on indoor unit6201 --x -TB7 transmission line communication error - Check for voltage abnormality/short6202 --x -Transmission processor hardware error - Check for noise/short on M-Net cable 6600 xxx -Repeat address Fault - two or more units are assigned the same address - correct the repeated address6601 --x -Polarity setting error - no voltage or short circuit on the m-net transmission line6602 xxx -Hardware error of transmission processor.

8 Noise interference. Polarity problem on TB7 DESCRIPTIONLOSSNAYFAULT CODER4O7cR22R410 AFAULT code PAGES - to print_CITY MULTI 26/09/2011 15:45 Page 76603 xxx -Bus circuit busy - Check if indoor unit, Lossnay unit or anything else has been wiredinto TB7, instead of TB36607 xxx -Communication issue - no response back from unit whilst system is operational6608 xxx -Communication error - loss of voltage or noise entering the transmission line6700 --- -K control communication error - R22 type unit connected onto M-Net circuit comms error6701 --- -K control communication error - R22 type unit connected onto M-Net circuit comms error6702 --- -K control duplicate address error - two or more R22 type units connected ontoM-Net circuit with the same address6750 --- -K control communication error - R22 type unit connected onto M-Net circuit comms error6751 --- -R22 R/A thermistor Fault (P1)

9 6752 --- -R22 frost protection at I/C (P6)6753 --- -Comms Fault between O/C and I/C 6754 --- -R22 drain Fault (P5)6755 --- -R22 drain Fault (P5)DESCRIPTIONLOSSNAYFAULT CODER4O7cR22R410 AFAULT code PAGES - to print_CITY MULTI 26/09/2011 15:45 Page 86756 --- -R22 frost protection at I/C (P6)6757 --- -System error 6758 --- -Comms Fault between I/C and O/C 6761 --- -R22 R/A thermistor Fault (P1)6762 --- -R22 TH2 Fault Check resistance (P2)6763 --- -R22 Comms Fault between I/C and O/C6764 --- -R22 drain Fault (P4)6765 --- -R22 drain Fault (P5)6766 --- -R22 frost protection at I/C (P6)6767 --- -R22 comms Fault between I/C and O/C 6771 --- -K abnormality - high pressure abnormality or low pressure abnormality6772 --- -K abnormality - inner thermostat function, discharge temperature abnormality,shell thermostat function, over current protection6773 --- -K abnormality - radiator plate thermostat functionDESCRIPTIONLOSSNAYFAULT CODER4O7cR22R410 AFAULT code PAGES - to print_CITY MULTI 26/09/2011 15.

10 45 Page 96774 --- -K abnormality - outdoor thermistor abnormality6775 --- -K abnormality - pressure sensor abnormality, indoor/outdoor communication error6776 --- -K abnormality - over current shut-off6777 --- -K abnormality - system error6778 --- -K abnormality - normal6779 --- -K abnormality - refrigerant overcharge, abnormal voltage, abnormal CT sensor6830 --- -Comms Fault between I/C and R/C Check connections to MA R/C and Check for 12 Vdc Check R/C not set sub controller 6831 --x -MA R/C communication Fault - Check connections on TB15 or that the controller was removed while the I/C was powered 6832 -x-MA controller comms Fault - Check cable length no bigger than 500m, checkconnection and type of cable used, Check R/C not set sub on field settings 6833 --x -MA controller comms Fault Check cable length no bigger than 500m, checkconnection and type of cable used, Check R/C not set sub on field settingsDESCRIPTIONLOSSNAYFAULT CODER4O7cR22R410 AFAULT code PAGES - to print_CITY MULTI 26/09/2011 15.