19, Voltage and current sensor failure Code: H 0 Part: Voltage / Current sensor Activation failure: No measurement of current during compressor operation.

which might have adhered onto the coil. R 3 T 3, Flow failure Code: 7 H Part: Flow failure Location: Activation failure: Flow switch open during operation (no signal) Possible action to resolve the problem: Check water flow in the system.

Outdoor PCB 25, Discharge pipe thermistor Code: J 3 Part: Discharge pipe thermistor Location Activation failure: Resistance value out of range Possible action to resolve the problem: Check connector Check resistance value Replace thermistor. Electronic expansion valve defective. Protection against frequent starting. If the fault persists after all these verifications, please contact the air conditioner unit installer. Check contactor of the electric BUH / BSH 9, Stucked flow switch Code: CO Part: Flow switch failure Activation failure: Flow swith remains closed when pump is not operating Location: Possible action to resolve the problem: Check for dirt in flow switch Replace part is required R 3 T 10, Heat exchanger thermistor failure Code: C 4 Part: Liquid sensor Activation failure: Sensor broken or out of range Location: Possible action to resolve the problem: Check connector Check resistance of the sensor Procedure: refer to servicemanual for procedure If damaged replace part R 3 T 11, Outdoor PCB failure Code: E 1 Part: Outdoor PCB failure Activation failure: Location: Possible action to resolve the problem: Out of control of CPU Voltage drop Power loss Noise on power supply Defect outdoor PCB 12, Overload activation of compressor Code: E 5 Part: Overload protector compressor Activation failure: Failure If overload protector ( >130C) is activated twice in one hour Location: Outdoor unit Possible action to resolve the problem: Refrigerant shortage.

Malfunction four way valve. 3 bar) Check shutt OFF valves Is water system purged Check pressure drop and speed of the waterpump Check pump operation R 3 T 5, Outlet water temperture too high Code: 8 H Part: Outlet water thermistor Location: Outlet back up heater Activation failure: If outlet water > 65C Possible action to resolve the problem: Check if contactor(s) back up heater is not welded Check if thermistor is not damaged Check if correct resistor value of thermistor Procedure : Refer to service manual R 3 T 6, Indoor PCB failure Code: A 1 Part: Indoor PCB Location: Switchbox Activation failure: Possible action to resolve the problem: Replace PCB 7, Insufficient cooling or heating Code: A 5 Part: Liquid sensor hydrobox Location: Possible action to resolve the problem: Check water flow in the system.

(Minimum 0. This is caused by air humidity after an extended long period of operation. Wait for3 to 4 minutes for the compressor to start operating. Odors may be caused by cigarettes, smokeparticles, perfume etc. Defective EEV driver. Outlet thermistor failure Code: 81 Part: Outlet water thermistor Location: Activation failure: Possible action to resolve the problem: Check connector Check resitance value Replace thermistor R 3 T 2, Freeze up problem Code: 89 Part: Heat exchanger freez-up Activation failure: Outlet water temp. It is possible that your delay timer has been set incorrectly. Defective discharge sensor. Malfunction four way valve. Web design by Roddis Communications, Troubleshooting for the 19 Series and Daikin Aurora, Efficiency Nova Scotia Green Heat Program, Troubleshooting for Single and Multi Zone LV Systems, Care & Cleaning for Single and Multi Zone LV Systems, Care & Cleaning for the 19 Series and Daikin Aurora, Care & Cleaning for the Vista Ceiling Cassette, Indoor heat exchanger (1) thermistor short / open, Indoor heat exchanger (2) thermistor short / open, Compressor motor lock / compressor overload, Fan motor overload / overcurrent / sensor abnormal, Compressor discharge pipe thermistor short / open / misplaced, Outdoor heat exchanger thermistor short / open, Subcooling heat exchanger thermistor short / open, Communication error (outdoor control PCB and inverter PCB), Communication error (outdoor control PCB and IPM PCB), Piping & wiring installation mismatch / wrong wiring / insufficient gas. Outdoor PCB 26, Outdoor heat exchanger Code: J 6 Part: Thermistor Location Activation failure: Resistance value out of range Possible action to resolve the problem: Check connector Check resistance value Replace thermistor. 3 bar) Check shutt OFF valves Is water system purged Check pressure drop and speed of the waterpump Check refrigerant charge Check thermistor Procedure: refer to service manual R 3 T 8, Booster heater thermal protector Code: AA Part: Thermal protector booster heater or back up heater * Location: Possible action to resolve the problem: Check if thermal protection is not damaged. (Minimum water flow system 9 liter / min. ) Outdoor PCB failure. Possible action to resolve the problem: Reactor disconnected Compressor disconnection Outdoor PCB failure Compressor defective 22, Outdoor ambient thermistor Code: H 9 Part: Thermistor Location Activation failure: Resistance value out of range Possible action to resolve the problem: Check connector Check resistance value Replace thermistor. too low Location: Possible action to resolve the problem: Check water flow in the system. The regulated temperature is not high enough. Check water pressure in the installation. Check water pressure in the installation. 13, Compressor start up failure Code: E 6 Part: Compressor locked Activation failure: : Failure, if error occurs 16 times, counter reset if compressor runs normal for 5 minutes Location: Outdoor unit Possible action to resolve the problem: Replace outdoor PCB Replace compressor 14, Fan motor failure Code: E 7 Part: Outdoor fan motor Activation failure: Failure, if error occurs 16 times, counter reset if compressor runs normal for 5 minutes Location: Outdoor unit Possible action to resolve the problem: Fan motor breakdown Bad contact between PCB and fan motor Blockage of the fan blades 15, Sanitary water too high Code: EC Part: Sanitary tank temperature Activation failure: If temperature sanitary water > 89C Location: Sensor inside sanitary tank Possible action to resolve the problem: Check position of sensor in socket Check if contactor(s) booster heater is not welded Check if thermistor is not damaged Check if correct resistor value of thermistor 18, Discharge temperature too high Code: F 3 Part: Discharge sensor Activation failure: Failure if discharge temperature > 120C for 6 times Location: Sensor located on the discharge pipe of compressor Possible action to resolve the problem: Refrigerant shortage. (Minimum water flow system 20 liter / min. ) (Minimum 0. The set temperature is too low, increase the temperature setting and operate the unit at high fan speed. Minimum water flow system 9 liter / min. Copyright 2021 Ready Refrigeration The air suction and discharge are clogged.

Power failure, or the fuse needs to be replaced. Outdoor PCB 27, Electrical box temperature rise Code: L 3 Part: Radiation fin thermistor Location: Outdoor PCB Activation failure: failure if temperature > 85C and compressor OFF Possible action to resolve the problem: Defective outdoor fan Defective Fin thermistor Defective Outdoor PCB Heat conductive paste 29, Radiation fin temperature rise Code: L 4 Part: Radiation fin temperature rise Location: Outdoor PCB Activation failure: failure if temperature > 105C and compressor ON for 4 times Possible action to resolve the problem: Defective outdoor fan Defective Fin thermistor Defective Outdoor PCB Heat conductive paste 30, Daikin discharge pipe thermistor location, A 15 ohm electric heater operates on a 120v outlet, A 15 electric heater operates on a 120v outlet, All Seasons CLIMATE COMFORT Heating Daikin Altherma LTCB, All Seasons CLIMATE COMFORT Heating Daikin Altherma LT, Internal use only Daikin Altherma HT Internal use, All Seasons CLIMATE COMFORT Heating Daikin Altherma REFERENCES, All Seasons CLIMATE COMFORT Heating Daikin Altherma HT, INVERTER DAIKIN INDUSTRIES LTD Daikin Training WBT JP, Thermistor String Buoy Thermistor string buoys also referred, Shooting Stars Shooting Stars Literal meaning shooting Jews, Thoracic Outlet Syndrome Elana Deacon Definition Thoracic outlet, Thoracic Outlet Syndrome TOS Thoracic Outlet Syndrome Thoracic, Training Manufacturing Insulation Retail outlet Trade outlet The, Shooting Target Practice Opposed Attacking Play Purpose Shooting, Know What to Record Shooting Awesome Shooting Video, TETRATHLON Shooting Tetrathlon Shooting Phase Background About the, Shooting Stars Annotations Title Literal meaning shooting of, Penalty shooting competition Penalty shooting competition Each person, Samvit Shooting Sansthan Prayer of Samvit Shooting Sansthan, Shooting Sacred Cows David Mays Or Shooting Myself, Third Party Shooting Ranges Facilities Shooting Ranges With, Shooting Made Easy Cronkite School Brian Snyder Shooting, Columbine School Shooting Noah Mladosich The Shooting On.

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