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Summary of Contents for Halcyon 9RLS3
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Page 1: Troubleshooting
410A MINI-SPLITS TROUBLESHOOTING FUJITSU GENERAL AMERICA, INC. 353 Route 46 West GUIDE Fairfield, NJ 07004 (866) 952-8324 (973) 575-03881 Service Dept. Phone (973) 836-0449 Service Dept. Fax servicehvac@fujitsugeneral.com Service Dept. Email Revision 03/21/17... - Page 2 Wall Mounted: 9RL2, 9RLS3, 9RLS3H, 9RLS3Y, 12RL2, 12RLS3, 12RLS3H, 12RLS3Y, 15RLS3, 15RLS3H, 15RLS3Y, 18RLB, 24RLB, 30RLXB, 30RLXEH, 36RLXB Error Indication Diagnosis Method Wired Remote Error Controller Operation Timer Economy Communication Error – At Start up, evaporator and condenser are not communicating.
- Page 3 Indoor Unit Communication Circuit (WRC) Error – When the indoor unit detects the configuration of the remote controller group is abnormal or the indoor unit detects lack of primary remote controller. -Check the connection of the terminal; check the connection of the terminal between the remote controller and Indoor unit communication 3 Times Continuous...
- Page 4 PFC Circuit Error (9/12RLS3) – When inverter output DC voltage is higher than 415V for over 3 seconds, the compressor stops. If the same operation is repeated 5 times, the compressor stops permanently. -Check external cause at the indoor and outdoor (voltage drop or noise). -Check connection of connector, loose, erroneous connection.
- Page 5 Current Sensor Error – When input current sensor has detected 0A, while the inverter compressor is operating at higher than 56rps, after 1 minute upon starting the compressor. (Except during defrost operation) 8 Times 4 Times Continuous Current sensor error -Check if terminal connection is loose.
- Page 6 4-Way Valve Error – When the indoor heat exchanger temperature is compared with the room temperature, and either following condition is detected continuously two times, the compressor stops: • Cooling or Dry operation [Indoor heat exchanger temp.] – [Room temp.] > 20°F (10°C) •...
- Page 7 Wall Mounted: 9CQ, 9RQ, 9R2, 9RLQ, *9RL, *9RLS, 12CQ, 12RQ, 12R2, 12RLQ, *12RL, *12RLS, 15RLQ, 18CL, 18RL, 18RLQ, 18RLXQ, *18RLXS, 24CL, 24CL1, 24RLQ, *24RLXS, *30RLX, 30CLX, 30CLX1, 30RLXQ, 36CLX, 36CLX1 *Operation & Timer LEDs colors are reversed. Error Indication Error Diagnosis Method Operation Timer...
- Page 8 Abnormal current value at the IPM is detected. Heat radiation is blocked (inlet/outlet). 2 Times IPM protection -Check If outdoor fan is defective (does not rotate). -IPM/Controller PCB defective. Check refrigeration cycle for under/over charge conditions. Current transfer error – The current value during the operation after 1 minute from starting up the compressor drops to zero (0) amps. 3 Times CT error -Check if CT wire is open.
- Page 9 Multi-Zones: ASU7RLF1, ASU9RLF1, ASU12RLF1, ASU18RLF, ASU15RLS, ASU15RLS2, ASU15RLF1, ASU24RLF, ARU7RLF, ARU9RLF, ARU12RLF, ARU18RLF, ARU24RLF, AUU7RLF, AUU9RLF, AUU12RLF, AUU18RLF, AGU9RLF, AGU12RLF, AGU15RLF Error Indication Wired Remote Error Diagnosis Method Operation Timer Economy Controller Communication Error – At Start Up, evaporator and condenser are not communicating. -Check wiring from panel to condenser, condenser to evaporator.
- Page 10 Indoor Room Thermistor Error – Room temperature thermistor detected an abnormal temperature. -Check thermistor for open or short. Check thermistor resistance value. (Refer to “Thermistor characteristics 4 Times 1 Time Continuous Indoor room thermistor error table”). -Controller PCB defective. Indoor Heat Ex. (Pipe) Thermistor Error – Evaporator pipe thermistor detected an abnormal temperature. Indoor heat ex.
- Page 11 PFC Circuit Error (9/12RLS3) – When inverter output DC voltage is higher than 415V for over 3 seconds, the compressor stops. If the same operation is repeated 5 times, the compressor stops permanently. -Check external cause at the indoor and outdoor (voltage drop or noise). PFC circuit error (9/12RLS3) / -Check connection of connector, loose, erroneous connection.
- Page 12 3-Way Valve Thermistor Error – When 2-way valve temperature thermistor is open or short-circuited while power is on or while running the compressor. 7 Times 6 Times Continuous 3-Way valve thermistor error -Check for erroneous connection or removed connector. -Check resistance of thermistor. -Check voltage to thermistor.
- Page 13 Outdoor Unit Fan Motor Error – When outdoor fan motor rotation speed is less than 100 RPMs in 20 seconds after fan motor starts, fan motor stops. After fan motor restarts, if the same operation within 60 seconds is repeated 3 times in a row, compressor and fan motor stops. 9 Times 7 Times Continuous...
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Page 14: Operation
Multi-Zones: ASU9RMLQ, ASU12RMLQ, ASU18RMLQ, ARU9RML*, ARU12RML*, ARU18RML*, AUU9RML, AUU12RML, AUU18RML *Refer to the wired remote controller Error Contents Indoor Error Display Operation Timer Air Clean Coil Dry Wired Remote Code No. Serial reverse transfer error at Start Up 2 flashes Serial reverse transfer error during operation 3 flashes Communication Error... - Page 15 Multi-Zone Outdoor Units AOU18RLXFZ, AOU18RLXFZH, AOU24RLXFZ, AOU24RLXFZH, AOU36RLXFZ, AOU36RLXFZ1, AOU24RML, AOU24RML1, AOU36RML, AOU36RML1 Error Contents 1 flash 1 flash Outdoor communication signal error (forward transfer) 1 flash 1 flash Outdoor discharge pipe thermistor error 2 flashes Heat Ex. thermistor error 3 flashes Outdoor temperature error 4 flashes...
- Page 16 Multi-Zone Outdoor Units : AOU36RLXFZH, AOU45RLXFZ Outdoor Unit LED Display Error Contents Serial communication error 1 1 Serial communication error during operation 1 1 Communication error between controller and outdoor unit 1 6 ...
- Page 17 Single-Zone Outdoor Unit AOU30RLXEH LED Display Error Contents Power Mode Error Pump Down Low Noise Peak Cut (L1) (L2) (L3) (L4) (L5) (L6) ◊2 ◊1 ◊1 Serial communication error ◊2 ◊1 ◊1 ...
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Page 18: Normal Status
Halcyon HFI Flex Branch Boxes: UTY-PU03A, UTP-PU03B When an error occurs, an error description displays in the LED (No. 401 – 405). (n) Flashing (number of flashing) Unlit Normal Status Green Comment LED 401 LED 402 LED 403... - Page 19 Halcyon HFI Flex Outdoor Unit AOU48RLXFZ, AOU48RLXFZ1 • When error occurs, “Err” and “Number of error occurred” are alternately displayed in 7 seg. Display. • The latest error code can be confirmed by pressing the ENTER button. • When error codes are displayed, all the error codes can be confirmed by pressing the SELECT button.
- Page 20 Universal Mount / Ceiling Suspended: ABU18RULX, ABU24RULX, ABU36RSLX Operation Timer Swing Error Contents Continuous blink Continuous blink Indoor EEPROM abnormal Continuous blink Continuous blink Continuous blink Outdoor EEPROM abnormal 2 flashes Continuous blink Indoor room temperature sensor open 2 flashes Continuous blink Continuous blink Indoor room temperature sensor short circuited...
- Page 21 Indoor Ceiling Cassettes AUU18RCLX, AUU24RCLX, AUU36RCLX, AUU42RCLX Outdoor unit doesn’t accept the signal from the indoor unit Error code Error Contents Excessive outdoor pressure (permanent stop) Indoor unit doesn’t accept signal from outdoor unit Compressor temperature sensor Room temperature sensor open Pressure switch error Room temperature sensor short circuited IPM error...
- Page 22 9RLS2 / 9RLS2H 2 lbs. 10 oz. 49 ft. 66 ft. .21 oz./ft. 9 ft. 26A / N/A 9RLS3 / 9RLS3H / 9RLS3Y 2 lbs. 14 oz. 49 ft. 66 ft. .22 oz./ft. 10 ft. 9RL2 1 lb. 7 oz.
- Page 23 18RLXS 4 lbs. 10 oz. 66 ft. 165 ft. .43 oz./ft. 16 ft. 18RLXFW / 18RLXFW1 4 lbs. 10 oz. 66 ft. 165 ft. .43 oz./ft. 16 ft. 18RLXFWH 4 lbs. 10.1 oz. 66 ft. 164 ft. .43 oz./ft. 16 ft. 18RLFC 2 lbs.
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Page 24: Thermistor Resistance Chart
Thermistor Resistance Chart MODELS: ALL R410a INDOOR UNITS MODELS: ALL R410a OUTDOOR UNITS Room Temperature Room Temperature Indoor Pipe Indoor Pipe Therm- Discharge Therm- Compressor Outdoor Pipe Outdoor Tempera- Heat Sink Therm- 2/3 Way Valve Thermistor Thermistor w/ Thermistor istor w/ board istor Thermistor Thermistor...
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