Baxi Luna Duo-Tec Betriebsanleitung

LUNA DUO-TEC

Troubleshooting

WARNING!

THIS DOCUMENT IS INTENDED ONLY AS AN

EDUCATIONAL TOOL

This Troubleshooting Guide, and the instructions and suggestions

within are intended solely as an educational tool assisting

completely qualified Gas Appliance Mechanics who have

successfully completed the Baxi Installation Certification Program.

Use of the information herein for the purposes of onsite appliance

correction by untrained personnel may cause extremely

dangerous conditions, and may void the manufacturer’s warranty.

Baxi N.A. assumes absolutely no liability in the execution of the

training suggestions in this document. Should you experience

problems or complications beyond your realm of training, please

contact Baxi N.A. for further instructions.

BAXI LUNA DUO-TEC TROUBLESHOOTING GUIDE

Version 1

Table of Contents

Section

Page

Controller

Access

(

without

)

(

)

(

)

M nu l C

ontrol F

unction (301)

(

)

BAXI LUNA DUO-TEC TROUBLESHOOTING GUIDE

Version 1

CONTROLLER

SYMBOLS

Boiler Off – Heating and DHW

disabled

Boiler frost protection is active)

Burner on

Ignition Fault Domestic hot water mode

enabled

Boiler/system water pressure low Central Heating mode enabled

Error call for service Programming menu

Resettable fault Boiler information menu

Fault in progress Units of measure

BUTTONS

DHW temperature adjustment

(+ to incre se the temper ture nd – to decre se it)

CH temperature adjustment

(+ to incre se the temper ture nd – to decre se it)

Boiler operating information

Boiler Operating mode:

DHW only – DHW & He ting – He ting only

Off – Reset – Exit menu/functions

BAXI LUNA DUO-TEC TROUBLESHOOTING GUIDE

Version 1

ACCESSING PARAMETERS

1) Press both the nd buttons fro 6 seconds, the displ y shows “P01”

ltern ting with its v lue 0);

2) Press either or buttons to scroll the p r meters list;

3) Press the button to edit the selected p r meter;

4) Press either or buttons to modify the p r meter v lue ;

5) Press the button to s ve the p r meter v lue, or press the button to exit the

function without s ving.

In the def ult condition it is possible to scroll through the p r meters until P42. If you need

to set some p r meters fter P42 proceed s follows:

-Press either or buttons until P22 is re ched;

-Press the button to edit the selected p r meter;

-Set P22 to 22;

-Press the button to s ve the p r meter v lue;

-Press either or button to scroll through the p r meters from P42 to P76

BAXI LUNA DUO-TEC TROUBLESHOOTING GUIDE

Version 1

DESCRIPTION OF PARAMETERS

LUNA DUO-TEC

FACTORY SETTINGS

1.33 GA 40 GA

P01

-------

P02

Gas used

N tur l G s = 00

Prop ne = 01

P03

Hydraulic system

00 = inst nt neous ppli nce

03 = inst nt neous ppli nce with pre-he t function

05 = ppli nce with extern l stor ge boiler

08 = he ting only ppli nce

13 = inst nt neous ppli nce with pre-he t function

for sol r pplic tion

08 00

P04

Programmable relay 1 setting optional):

00 = no function is ssoci ted

01 = close cont ct with room thermost t request

02 = close cont ct with remote control request

03 = rel y for Low w ter in the system lerts

04 = rel y for Error code lerts

05 = rel y for kitchen f n function

07 = rel y for post circul tion pump

09 = DHW rel y on with DHW progr m setting

10 = DHW rel y on with DHW request; if P64 = 1

rel y on with CH nd DHW request

13 = rel y for Cooling function

14 = close cont ct with room thermost t request

with post circul tion

15 = close cont ct with remote control request

with post circul tion

P05

Programmable relay 2 setting optional):

(The s me configur tions s Rel y 1-P04) 04

P06

..P09

Manufacturer information

P10

Heating se

point setting OT / RT

Open Therm / Room Thermostat 120V~)

00= with Remote Control (RC) connected, the

temper ture request is the RC set point

01= The temper ture Request is the highest set

point between RC nd PCB

02 = The temper ture request is the RU set point.

The RT en ble the g s boiler oper tes

P11..P12

Manufacturer information

P13

Max. heating output 0

100%)

100

P14

DHW max. output 0

100%)

100

Min. heating output 0

100%)

BAXI LUNA DUO-TEC TROUBLESHOOTING GUIDE

Version 1

P16

Maximum CH setpoint °C)

00 = 176°F / 80°C - 01 = 113°F / 45°C 00

P17

Pump overrun t

ime in heating mode

(01-240 minutes) 03

P18

Burner ignition

pause time

in CH mode

(00-10 minutes) - 00=10 seconds 03

P19

Manufacturer information

P20

Pump overrun time in DHW mode seconds)

P21

Anti

legionellosis function

00 = Dis bled

01 = En bled

P22

Manufacturer information

(set “22” to displ y p r meters P71 nd P72) 00

P23

Maximum DHW setpoint temperature

(113°-140°F /45°-60°C) 49

P24

Manufacturer information

P25

No water safety device

P26..P31

Manufacturer information

P32..P41

Diagnostics See SERVICE Instructions

P44

Temperature unit setting

00 = °C

01 = °F

P71 *

Maximum fan speed

P72 *

Minimum fan speed

* See T bles on SECTION 12.4

NOTE : to displ y p r meters P71 nd P72 it is necess ry to set before the p r meter P22 = 22

Version 1

BAXI LUNA DUO-TEC TROUBLESHOOTING GUIDE

ERROR CODE HISTORY

The B xi Lun Duo Tec PCB is ble to store the l st 10 errors th t h ve occurred. The PCB is

progr mmed with counter which counts consecutive errors of the s me error code.

In order to view the error code history scroll to COO fter P31 s described in the Accessing

P r meters

C00

Errors without

reset

1 – Error stor ge number (C00 is the l st error to occur)

2 – Error code

3 – Consecutive error code counter of the s me error

4 – Number of d ys p st since the error (00= tod y)

5 – System st tus

6 – System ph se

7 – Centr l he ting temper ture t the time of the error in °C

C01

C02

C03

C04

C05

C06

C07 Errors with

reset

C08

C09

SYSTEM STATUS

01 St nd by

02 DHW request

03 Controller stop function

04 CH request

05 Prehe t function

06 CH frost protection function ctive

07 DHW frost protection function ctive

08 Post-circul tion pump ctive

09 Overhe ting circul tion pump function ctive

SYSTEM PHASE

00 St nd by

01 Pre-purge function ctive

03 Ignition lo d purge between the first nd second ttempt

04 Ignition lo d first ttempt

05 Oper tion ctive

06 Lock out

08 Second ignition lo d ttempt

11 Ignition lo d purge between the second nd third ttempt

14 Third ignition lo d ttempt

15 Post- purge function

16 Overhe t post-purge function ctive

BAXI LUNA DUO-TEC TROUBLESHOOTING GUIDE

Version 1

Parameters

Error

storage

number

Error code

Consecutive

error code

counter of

the same

error

Number of

days pasted

since the

error

00= today)

System

status

System

phase

Central

heating

temperature

at the time

of the error

in °C

Errors with

out reset

P32 C00

P33 C01

P34 C02

P35 C03

P36 C04

P37 C05

P38 C06

Errors with

reset

P39 C07

P40 C08

P41 C09

BAXI LUNA DUO-TEC TROUBLESHOOTING GUIDE

Version 1

Error

Code Error Solution

09 G s v lve connection f ult.

Check connection t the g s v lve nd PCB

-If both connections re good repl ce PCB

Notes:

10 Outdoor sensor f ult.

Disconnect the outdoor temper ture sensor nd T

ke n

ohm re ding

refer to

NTC sensor

-Check the wiring to the outdoor temper ture sensor looking for bre k or short in the wire

-If the outdoor temper ture sensor nd wiring re good repl ce the PCB

Notes:

15 G s v lve comm nd f ult. -Check the wiring h rness connection t the g s v lve nd PCB

-If wiring h rness is good, repl ce PCB

Notes:

20 Centr l He ting NTC sensor

f ult.

T ke n Ohm re ding of the CH NTC supply sensor

refer to ch rt. The sensor should re d within +

10% of the st ted ohms on the NTC sensor ch rt, if out of c libr tion repl ce sensor.

- If the sensor is good, check the wiring h rness for loose or broken wires

- If the sensor nd wiring re good repl ce the PCB

Notes:

28 Flue NTC he t exch nger

sensor f ult

Check wiring h rness connections t the flue h

igh

limit

nd control bo rd for loose connection

-Check wiring h rness for short

Note:

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