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.

2 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. 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)

3 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).

4 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)

5 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)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)

6 Open circuit on Mr Slim on M-Net - reset and checkpressures and air flow4210 x-- -Compressor over current problem - Check inverter balance. 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.

7 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. 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.

8 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.

9 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, 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.

10 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. Noise interference. Polarity problem on TB7 DESCRIPTIONLOSSNAYFAULT CODER4O7cR22R410 AFAULT code PAGES - to print_CITY MULTI 26/09/2011 15.