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12 Troubleshooting

Installer reference guide

EPGA11~ EABH/9W

Daikin Altherma – Low temperature split

4P556069-1 – 2018.10

12.4

Solving problems based on error
codes

When a problem happens, an error code appears on the user
interface. It is important to understand the problem and to take
measures before resetting an error code. This should be done by a
licensed installer or by your local dealer.

This chapter gives you an overview of all error codes and the
content of the error code as it appears on the user interface.

For a more detailed troubleshooting guideline for each error, please
see the service manual.

12.4.1

To display the help text in case of a
malfunction

In case of a malfunction, the following will appear on the home
screen depending on the severity:

▪

: Error

▪

: Malfunction

You can get a short and a long description of the malfunction as
follows:

Press the left dial to open the main menu and go to
Malfunctioning.

Result:

A short description of the error and the error

code is displayed on the screen.

Press in the error screen.

Result:

A long description of the error is displayed

on the screen.

12.4.2

Error codes: Overview

Error codes of the unit

Error code

Detailed error
code

Description

Water flow problem

Water flow problem during
domestic hot water production

Water flow problem during
heating/sampling

Water flow problem during
cooling/defrost

Water flow problem. Pump
deblocking active

Entering water thermistor
abnormality of outdoor unit

Leaving water temperature
sensor problem

Leaving water temperature
sensor not properly mounted

Entering water temperature
thermistor abnormality (indoor
unit)

Heat exchanger frozen

Abnormal increase outlet water
temperature (DHW)

Abnormal increase outlet water
temperature

Overheating water circuit
(thermostat)

Error code

Detailed error
code

Description

Zero cross detection problem

OU: High pressure peak cut /
freeze protection problem

Backup heater overheated

External backup heater
overheated

Booster heater overheated

Tank disinfection function not
completed correctly

Too long DHW heat-up time
required

Flow sensor malfunction

Flow switch malfunction

Heat exchanger temperature
sensor problem

Boiler communication error

Room temperature sensor
problem

OU: PCB defect

Leakage current detection error

OU: Actuation of high pressure
switch (HPS)

Abnormal suction pressure

OU: Overheat of inverter
compressor motor

OU: Compressor startup defect

OU: Malfunction of outdoor unit
fan motor

Brine flow abnormality

OU: Power input overvoltage

Malfunction of electronic
expansion valve

OU: Cool/heat switchover
problem

Abnormal increase tank
temperature

Tank preheating

OU: Malfunction of discharge
pipe temperature

OU: Abnormal high pressure in
cooling

OU: Abnormal high pressure,
actuation of HPS

OU: Voltage/current sensor
problem

Brine flow switch malfunction

External temperature sensor
problem

OU: Malfunction of high pressure
switch (HPS)

Malfunction of low pressure
switch

Malfunction of compressor
overload protection

OU: Malfunction of position
detection sensor

OU: Malfunction of compressor
input (CT) system

Содержание Altherma EPGA011-016DV

Страница 1: ...ler reference guide Daikin Altherma Low temperature split English Installer reference guide Daikin Altherma Low temperature split EPGA11DAV3 EPGA14DAV3 EPGA16DAV3 EABH16DA6V EABH16DA9W EABX16DA6V EABX...

Страница 2: ...the expansion vessel pre pressure 24 6 3 3 To check the water volume and flow rate 24 6 3 4 Changing the pre pressure of the expansion vessel 25 6 3 5 To check the water volume Examples 25 6 3 6 Thir...

Страница 3: ...heating 78 12 3 4 Symptom The system is making gurgling noises after commissioning 78 12 3 5 Symptom The pump is making noise cavitation 78 12 3 6 Symptom The pressure relief valve opens 78 12 3 7 Sy...

Страница 4: ...r unit are best done under dry weather conditions to avoid water ingress In accordance with the applicable legislation it might be necessary to provide a logbook with the product containing at least i...

Страница 5: ...d form Adding it in gas form may prevent normal operation CAUTION When the refrigerant charging procedure is done or when pausing close the valve of the refrigerant tank immediately If the valve is NO...

Страница 6: ...minal screws A screwdriver with a small head will damage the head and make proper tightening impossible Over tightening the terminal screws may break them Install power cables at least 1 metre away fr...

Страница 7: ...service How to maintain and service the units Troubleshooting What to do in case of problems Disposal How to dispose of the system Technical data Specifications of the system Glossary Definition of t...

Страница 8: ...bnormal vibration or noise may be generated The compressor transportation stay must be removed It is installed under the compressor leg in order to protect the unit during transport Proceed as shown i...

Страница 9: ...he installation manual of the bottom plate heater 4 3 2 Possible options for the indoor unit User interface used as room thermostat BRC1HHDA The user interface used as room thermostat can only be used...

Страница 10: ...arty tank to the system Contains a thermistor and a 3 way valve For installation instructions see the installation manual of the connection kit Connection kit for 3rd party tank with built in thermost...

Страница 11: ...nterface For your daily needs you can use preset values and schedules To deviate from your daily needs you can temporarily overrule the preset values and schedules use the holiday mode Under floor hea...

Страница 12: ...ndensation on the floor during cooling operation The desired room temperature is set via the remote controller of the heat pump convectors The space heating cooling demand signal is sent to one digita...

Страница 13: ...ostats are connected to the shut off valves but do NOT have to be connected to the indoor unit The indoor unit will supply leaving water all the time with the possibility to program a leaving water sc...

Страница 14: ...Number of water temperature zones 4 4 Code 7 02 0 Single zone Main 5 2 3 Multiple rooms Two LWT zones In this document Main zone Zone with the lowest design temperature in heating and the highest desi...

Страница 15: ...er floor heating has the best performance with Altherma LT 5 3 Setting up an auxiliary heat source for space heating Space heating can be done by The indoor unit An auxiliary boiler field supply conne...

Страница 16: ...a C Tmin C Ta Outdoor temperature Tmin Minimum weather dependent setpoint for auxiliary gas boiler 5 4 Setting up the domestic hot water tank 5 4 1 System layout Standalone DHW tank FHL1 FHL2 FHL3 M a...

Страница 17: ...need domestic hot water and space heating at the same Daikin recommends to produce the domestic hot water during the night when there is lower space heating demand 5 4 3 Setup and configuration DHW ta...

Страница 18: ...ty via the user interface Example If you measure a booster heater resistance of 17 1 the capacity of the heater at 230 V is 3100 W 5 5 2 Consumed energy You can use the following methods to determine...

Страница 19: ...3 and X5M 4 Power meter types Power meter 1 Single or three phase power meter according to the power supply of the outdoor unit Power meter 2 In case of a single phase backup heater configuration use...

Страница 20: ...DI3 DI1 a b Pi Power input t Time DI Digital inputs power limitation levels a Power limitation active b Actual power input Setup Demand PCB option EKRP1AHTA needed Maximum four digital inputs are use...

Страница 21: ...lt the outdoor ambient temperature is NOT read out If the desired leaving water temperature is weather dependent the full time outdoor temperature measurement is important This is another reason to in...

Страница 22: ...r Height of windbreaker 1 5 height of outdoor unit Mind the service space requirements when installing the windbreaker a b c d c d a Sea wind b Building c Outdoor unit d Windbreaker The outdoor unit i...

Страница 23: ...ation Make all piping connections in accordance with the applicable legislation and the instructions in the Installation chapter respecting the water inlet and outlet Connecting piping Force Do NOT us...

Страница 24: ...ust be flushed with fresh water This procedure must be repeated at least once a day the first 5 consecutive days after installation Domestic hot water tank Standstills In cases where during longer per...

Страница 25: ...ng defrost backup heater operation For this purpose use the overpressure bypass valve delivered with the unit and respect the minimum water volume NOTICE To guarantee proper operation it is recommende...

Страница 26: ...larly on the high pressure side Do NOT use taped wires stranded conductor wires extension cords or connections from a star system They can cause overheating electrical shock or fire Do NOT install a p...

Страница 27: ...ay valve 3 100 mA b 7 Power supply for booster heater and thermal protection from indoor unit 4 GND c 8 Power supply for booster heater to indoor unit 2 GND 13 A Item Description Wires Maximum running...

Страница 28: ...To open the outdoor unit DANGER RISK OF ELECTROCUTION DANGER RISK OF BURNING 1 2 2 6 5 1 3 4 2 8 9 7 7 2 3 To open the indoor unit 1 Remove the front panel 2 2 1 3 2 If you have to connect electrical...

Страница 29: ...ground so that the unit will not cause any operating vibration or noise Fix the unit securely by means of foundation bolts in accordance with the foundation drawing Prepare 6 sets of anchor bolts nuts...

Страница 30: ...on fluorinated greenhouse gases requires that the refrigerant charge of the unit is indicated both in weight and CO2 equivalent Formula to calculate the quantity in CO2 equivalent tonnes GWP value of...

Страница 31: ...in the drain pan You must connect the drain pan to an appropriate drain according to the applicable legislation 1 Connect a drain tube field supply to the drain pan connector as follows a a Drain pan...

Страница 32: ...n the space heating water OUT connection b of the indoor unit a b b a a Water IN connection b Space heating water OUT connection NOTICE Overpressure bypass valve delivered as accessory We recommend to...

Страница 33: ...e system the system is very likely to freeze and get damaged The types of glycol that can be used depend on whether the system contains a domestic hot water tank If Then The system contains a domestic...

Страница 34: ...lways possible to add glycol to the water circuit or to use freeze protection valves even when installing heater tape to the outdoor field piping 7 5 7 To fill the domestic hot water tank For installa...

Страница 35: ...e b Screw c Flat washer Stranded conductor wire with round crimp style terminal c b b a c a B B a Terminal b Screw c Flat washer O Allowed X NOT allowed Tightening torques Item Tightening torque N m M...

Страница 36: ...t on page 28 2 Route the wiring as follows Enter the unit from the bottom Route the wiring via the back of the switch box Fix the cables with cable ties to the cable tie mountings at the back of the s...

Страница 37: ...uit for the backup heater and booster heater NEVER use a power circuit shared by another appliance This power circuit must be protected with the required safety devices according to the applicable leg...

Страница 38: ...vercurrent fuse field supply Recommended fuse for 6V and 9W models 4 pole 20 A curve 400 V tripping class C K1M Contactor in the switch box K5M Safety contactor in the switch box Q1DI Earth leakage ci...

Страница 39: ...ble with cable ties to the cable tie mountings 7 6 14 To connect the space cooling heating ON OFF output 1 Connect the space cooling heating ON OFF output cable to the appropriate terminals as shown i...

Страница 40: ...x the refrigerant piping and interconnection cable as follows f b a e d c a Gas pipe b Gas pipe insulation c Interconnection cable d Liquid pipe e Liquid pipe insulation f Finishing tape 2 Install the...

Страница 41: ...w setting Example Modify 1 01 from 15 to 20 All settings can be done using the menu structure If for any reason it is required to change a setting using the overview settings then the overview setting...

Страница 42: ...e an overview of the unit configuration and the room and setpoint temperatures Only symbols applicable for your configuration are visible on the home screen 6 1 6 bar 18 Feb 2018 22 19 55 18 21 45 f i...

Страница 43: ...ter temperature for the additional zone if present Space heating cooling Shows the applicable symbol for your unit Put the unit in heating mode or cooling mode You cannot change the mode on heating on...

Страница 44: ...e Y Y1 Y2 Desired tank temperature or leaving water temperature The symbol shown here corresponds to the heat emitter for that zone Underfloor heating Fan coil unit Radiator Domestic hot water tank 8...

Страница 45: ...ed 1 C 5 Repeat this action for all other weekdays Mon Sat Wed Fri Thu Tue Sun User defined 1 C To program the schedule for Saturday and copy it to Sunday 1 Select Saturday 2 Select Edit 3 Use the lef...

Страница 46: ...om frost protection is NOT guaranteed However if room antifrost 1 4 is activated limited frost protection by the unit is possible External room thermostat control C 07 1 Under external room thermostat...

Страница 47: ...on page 44 Setpoint mode In Fixed mode the desired leaving water temperature does NOT depend on the outdoor ambient temperature In WD heating fixed cooling mode the desired leaving water temperature...

Страница 48: ...mum of the 2 zones CAUTION If there are 2 zones it is important that the zone with the lowest water temperature is configured as the main zone and the zone with the highest water temperature is config...

Страница 49: ...y 1 digital input X2M 35 Select this value in case of a connection to the heat pump convector FWXV 2 2 contacts The used external room thermostat can send a separate heating cooling thermo ON OFF cond...

Страница 50: ...to reach a stable condition on the comfort setpoint for the room To increase efficiency modulation can lower the leaving water setpoint By setting the weather dependent curve to a higher position it c...

Страница 51: ...perature 0 07 Low outdoor ambient temperature 10 C 25 C 0 06 High outdoor ambient temperature 25 C 43 C 0 05 Desired leaving water temperature when the outdoor temperature equals or drops below the lo...

Страница 52: ...on mode to use To determine if a heating cooling heat pump model is installed 1 Go to 4 Space heating cooling 2 Check if 4 1 Operation mode is listed and editable If so a heating cooling heat pump mod...

Страница 53: ...C Oppositely changeover from cooling to heating will occur when the room temperature drops below the minimum of the desired heating temperature subtracted by the hysteresis value thus 21 C and the des...

Страница 54: ...ump operation Code Description 4 5 F 0D 2 Request Pump operation based on request Example Using a room thermostat and thermostat creates thermo ON OFF condition Remark NOT available in leaving water t...

Страница 55: ...tion 4 A D 03 Increase around 0 C 0 No 1 increase 2 C span 4 C 2 increase 4 C span 4 C 3 increase 2 C span 8 C 4 increase 4 C span 8 C Overshoot This function defines how much the water temperature ma...

Страница 56: ...prioritize the domestic hot water preparation When the tank temperature rises above this value domestic hot water preparation and space heating cooling are executed sequentially Code Description 5 4...

Страница 57: ...disinfection function to preheat the tank INFORMATION Disinfection function is restarted in case the domestic hot water temperature drops 5 C below the disinfection target temperature within the durat...

Страница 58: ...mestic hot water tank THP OFF Heat pump OFF temperature THP MAX 6 01 THP ON Heat pump ON temperature THP OFF 6 00 TDHW Domestic hot water temperature TU User set point temperature as set on the user i...

Страница 59: ...ay Off to ensure the heating cooling capacity of the system However during the afternoon the baby is sleeping and you want it to be quiet Then you can do the following 1 Go to 7 4 1 User settings Quie...

Страница 60: ...Produced energy consumed electricity and consumed gas 8 2 Malfunction history Malfunction history 8 3 Dealer information Contact helpdesk number In menu You can read out 8 4 Sensors Room tank or domes...

Страница 61: ...Backup heater type The backup heater is adapted to be connected to most common European electricity grids The type of backup heater must be set on the user interface For units with a built in backup h...

Страница 62: ...ormation see 8 3 8 Schedule screen Example on page 44 Example Only allow the booster heater to operate during the night BSH eco timer Code Description 9 4 3 8 03 Booster heater delay timer Start up de...

Страница 63: ...red manually via the user interface To recover operation manually go to the Malfunctioning main menu screen where the user interface will then ask you to confirm whether the backup heater and or boost...

Страница 64: ...Remark It is NOT allowed to set 8 01 to a value below 15 minutes 9 6 7 8 04 Additional timer Additional running time for the maximum running time depending on the outdoor temperature 4 02 or F 01 Ran...

Страница 65: ...te power supply via X2M 5 6 and the backup heater is NOT connected to the preferential kWh rate power supply 9 8 3 D 05 Allow pump 0 No Pump is forced off 1 Yes No limitation D 00 Booster heater Backu...

Страница 66: ...kWh Installed 4 100 kWh Installed 5 1000 kWh Installed 9 A 2 D 09 Electricity meter 2 0 None NOT installed 1 1 10kWh Installed 2 1 kWh Installed 3 10 kWh Installed 4 100 kWh Installed 5 1000 kWh Insta...

Страница 67: ...If the outdoor temperature Then Space heating by the heat pump system Bivalent signal for the auxiliary boiler is Drops below Tcalc Stops Active Rises above Tcalc 3 C Starts Inactive INFORMATION The...

Страница 68: ...dependent of the preferential kWh rate power supply status by connecting the indoor unit to a normal kWh rate power supply Code Description 9 E C 09 Auto restart 0 Manual 1 Automatic Disable protectio...

Страница 69: ...settings Language Time date Holiday Quiet Electricity price Gas price C Operation Room Space heating cooling Tank B User profile 7 3 Holiday Activation From Till 7 4 Quiet Activation Schedule 7 5 Elec...

Страница 70: ...w pump 9 4 Booster heater Capacity BSH allowance schedule BSH eco timer Operation 9 2 Domestic hot water Domestic hot water DHW pump DHW pump schedule Solar 9 9 Power consumption control Power consump...

Страница 71: ...LY then can the unit be powered up You read the complete installation instructions as described in the installer reference guide The indoor unit is properly mounted The outdoor unit is properly mounte...

Страница 72: ...ns Make sure all operation is disabled Go to the Operation menu and turn off Room Space heating cooling and Tank operation 1 Set the user permission level to Installer See To change the user permissio...

Страница 73: ...to Manual A 6 C 0 and the unit is triggered to start emergency operation the user interface will ask confirmation before starting The underfloor heating screed dryout function is active even if the us...

Страница 74: ...underfloor heating screed dryout status 1 Go to A 4 3 Commissioning UFH screed dryout Status 2 You can read out the value here Stopped at the step where the underfloor screed dryout was stopped 3 Mod...

Страница 75: ...rly maintenance you do not have to remove the water filter from the unit to clean it But in case of trouble with the water filter you might have to remove it so that you can thoroughly clean it Then y...

Страница 76: ...etic filter dirt separator 8 Remove the water filter 9 Remove the drain hose from the water filter CAUTION Although the water circuit is drained some water may be spilled when removing the magnetic fi...

Страница 77: ...hazards due to inadvertent resetting of the thermal cut out power to this appliance MUST NOT be supplied through an external switching device such as a timer or connected to a circuit that is regular...

Страница 78: ...rge air from heat emitters or collectors check if or is displayed on the home screen of the user interface If not you can purge air immediately If yes make sure that the room where you want to purge a...

Страница 79: ...domestic hot water tank Check and make sure that the space heating priority settings have been configured appropriately Make sure that the space heating priority status has been enabled Go to 9 6 1 I...

Страница 80: ...ntering water temperature thermistor abnormality indoor unit 89 01 Heat exchanger frozen 89 02 Heat exchanger frozen 89 03 Heat exchanger frozen 8F 00 Abnormal increase outlet water temperature DHW 8H...

Страница 81: ...Transmission malfunction between main CPU INV CPU U8 01 Connection with LAN adapter lost U8 02 Connection with room thermostat lost U8 03 No connection with room thermostat U8 04 Unknown USB device U...

Страница 82: ...e of air going into the operating compressor Use a separate recovery system so that the unit s compressor does NOT have to operate NOTICE During pump down operation stop the compressor before removing...

Страница 83: ...uidelines into account The stop valves are factory closed The following figure shows the stop valve parts required when handling the valve c d a b a Service port and service port cap b Valve stem c Fi...

Страница 84: ...300 300 300 300 300 1000 150 150 150 150 150 150 150 1000 1000 1000 500 HD HU HD HU HB HU HD HU HB HU a b c d e eB eD A B C D E HB HU HD A C Left side and right side obstacles walls baffle plates B Su...

Страница 85: ...m Accumulator n Economiser heat exchanger o Inverter PCB heat sink p Plate heat exchanger E1H Crankcase heater M1C Compressor M1F Upper fan motor M2F Lower fan motor R1T Thermistor outdoor air R2T The...

Страница 86: ...d installed a Space heating water OUT b Water IN connection c Pump d Expansion vessel e Shut off valve male female 1 if equipped f Magnetic filter dirt separator g Safety valve h Air purge i Drain val...

Страница 87: ...nglish Translation Legend Legend Field supply Field supply English Translation Optional Optional Part n Part n Description Description A1P Printed circuit board main A2P Printed circuit board noise fi...

Страница 88: ...V4D A1P Diode V1R A1P IGBT power module V2R A1P Diode module V1T V3T A1P Insulated Gate Bipolar Transistor IGBT X1M Terminal strip Y1E Electronic expansion valve main Y3E Electronic expansion valve in...

Страница 89: ...ostat wireless Ext thermistor External thermistor Heat pump convector Heat pump convector Safety thermostat Safety thermostat Add LWT Additional leaving water temperature On OFF thermostat wired On OF...

Страница 90: ...B Continuous Continuous current DHW pump output Domestic hot water pump output DHW pump Domestic hot water pump Electrical meters Electrical meters For safety thermostat For safety thermostat Inrush I...

Страница 91: ...arts External room thermostat Heat pump convector main and or additional zone 5 core for C H operation 4 core for H only operation 3 core for C H operation 2 core for H only operation 2 core 2 core co...

Страница 92: ...who is owner of the product and or operates the product Applicable legislation All international European national and local directives laws regulations and or codes that are relevant and applicable f...

Страница 93: ...ble indoor units EABH16DA6V EABH16DA9W EABX16DA6V EABX16DA9W EAVH16S18DA6V EAVH16S23DA6V EAVH16S18DA9W EAVH16S23DA9W EAVX16S18DA6V EAVX16S23DA6V EAVX16S18DA9W EAVX16S23DA9W Notes 1 6V 2 9W 3 AB 4 EAV...

Страница 94: ...2 R W 10 25 C step 1 C 15 C 3 5 0 03 R W 40 5 C step 1 C 10 C Cooling WD curve 3 6 0 04 R W 9 07 9 08 C step 1 C 8 C 3 6 0 05 R W 9 07 9 08 C step 1 C 12 C 3 6 0 06 R W 25 43 C step 1 C 35 C 3 6 0 07...

Страница 95: ...abled 1 Enabled Tank 5 2 6 0A R W 30 6 0E C step 1 C 60 C 5 3 6 0B R W 30 min 50 6 0E C step 1 C 45 C 5 4 6 0C R W 30 min 50 6 0E C step 1 C 45 C 5 6 6 0D R W 0 Reheat only 1 Reheat sched 2 Scheduled...

Страница 96: ...1 2 0D R W 0 Underfloor heating 1 Fancoil unit 2 Radiator 9 1 R W 0 Fixed 1 WD heating fixed cooling 2 Weather dependent 9 1 R W 0 No 1 Yes 9 1 0 00 R W 9 05 min 45 9 06 C step 1 C 35 C 9 1 0 01 R W 9...

Страница 97: ...0 20 C step 1 C 10 C 9 6 4 8 02 R W 0 10 hour step 0 5 hour 0 5 hour E 07 1 3 hour E 07 1 9 6 5 8 00 R O 0 20 min step 1 min 1 min 9 6 6 8 01 R W 5 95 min step 5 min 30 min 9 6 7 8 04 R W 0 95 min ste...

Страница 98: ...1 01 R W 10 25 C step 1 C 15 C 9 I 1 02 R W 9 01 9 00 step 1 C 35 C 9 I 1 03 R W 9 01 min 45 9 00 C step 1 C 25 C 9 I 1 04 R W 0 Disabled 1 Enabled 9 I 1 05 R W 0 Disabled 1 Enabled 9 I 1 06 R W 10 2...

Страница 99: ...15 35 C step 1 C 0 C Water pipe freeze prevention What is the desired delta T in heating for the additional zone What is the desired delta T in heating for the main zone What is the desired delta T i...

Страница 100: ...I 8 08 R W 9 03 9 02 step 1 C 20 C 9 I 8 09 R W 9 01 9 00 step 1 C 35 C 9 I 8 0A R W 9 01 9 00 step 1 C 33 C 9 I 8 0B 13 9 I 8 0C 10 9 I 8 0D 16 What is the capacity of the backup heater step 2 Space...

Страница 101: ...pulse kWh 5 1000 pulse kWh 9 I D 0A 0 9 I D 0B 2 9 I E 00 R O 0 5 0 LT split 9 I E 01 R O 1 9 I E 02 R W 5 R O 6 0 Reversible 5 1 Heating only 6 9 I E 03 R O 3 6V 1 4 9W 2 What is the maximum desired...

Страница 102: ...ed 9 I F 0A 0 9 I F 0B R W 0 No 1 Yes 9 I F 0C R W 0 No 1 Yes 9 I F 0D R W 0 Continuous 1 Sample 2 Request Is the power saving function available on the outdoor unit Pump operation allowed outside ran...

Страница 103: ......

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Содержание Altherma EPGA011-016DV

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