DeDietrich MODULENS O PRO Manuel

Labo 1/2 IT2721-en

Technical Information

MODULENS O PRO

PFC 45 - PFC 60 - PFC 90 – PFC 120

Diagnostic aid

JS N° IT2721-en 07/07/2023

1. Symptom

The boiler remains on standby:

- A heating demand is present (symbol is blinking)

- No fault displayed.

- The boiler doesn't start

2. Solution

1) Switch the boiler off and on again (ON/OFF switch)

2) If the default E07.12 is displayed:

- the safety thermostat is activated,

- the RV safety control box displays a E2 fault, stops the boiler, but does not

immediately transmit the fault to the boiler control panel (no error displayed). The

display of the error only appears after switching the boiler off and on again.

RV Safety control box

EN

Symbol is blinking:

Boiler in demand

Labo 2/2 IT2721-en

3) Solve the E07.12 fault:

3.1 Carry out the checks indicated in the instruction manual to remove the fault:

E07.12

STB activated

No water circulation

•Vent the air from the heating system

•Check the circulation (direction, pump,

valves)

•Check the water pressure

•Check the cleanliness of the heating

body

Poor connection

•Check the wiring of the safety

thermostat.

•Check that the safety thermostat has

been correctly installed, replace it if

necessary.

3.2 Clear the error

- Switch the boiler off and back on:

The boiler starts up again automatically when the cause of the error has been removed.

or

- clear the error manually by pressing button .

3. Concerned appliances

•Only RV safety boxes with a software version between 117 (fitted from July 2017) and

120 (fitted until April 2021) have this fault.

•RV safety boxes with software version 121, fitted on appliances since May 2021, no

longer have this problem.

4. Spare parts

Preventive replacement of the safety box is not necessary.

5. Accessing the RV safety box

To check the software version of the RV safety control box :

1. Remove the boiler top panel

2. Check the label sticked on the safety box: in the example below the software version is

120.

Ce manuel convient aux modèles suivants

4

Autres manuels DeDietrich Chaudière

DeDietrich

DeDietrich INNOVENS PRO MCA 160 Manuel utilisateur

DeDietrich

DeDietrich C230 ECO-A 80 Manuel de service

DeDietrich

DeDietrich MS 24 BIC FF Manuel utilisateur

DeDietrich

DeDietrich DTG 320 Eco.NOx Series Manuel utilisateur

DeDietrich

DeDietrich NeOvo EcoNox EFU 22 Manuel utilisateur

DeDietrich

DeDietrich GT 400 A Manuel d'instructions

DeDietrich

DeDietrich Elidens DTG130-45 Manuel utilisateur

DeDietrich

DeDietrich NeOvo Condens EFU C-S 19 FF Manuel utilisateur

DeDietrich

DeDietrich GTU C 330 Manuel

DeDietrich

DeDietrich Vivadens MCR-P 28 BIC PLUS Manuel utilisateur

DeDietrich

DeDietrich C 610 ECO Manuel utilisateur

DeDietrich

DeDietrich TwineoEGC 25 Manuel utilisateur

DeDietrich

DeDietrich MCA Pro 45 Manuel

DeDietrich

DeDietrich GT 430 Manuel utilisateur

DeDietrich

DeDietrich Elitec DTG 130 Manuel utilisateur

DeDietrich

DeDietrich DTGE130-35 Eco.NOxPlus Manuel du propriétaire

DeDietrich

DeDietrich IX 245-130 Guide de dépannage

DeDietrich

DeDietrich MODULENS O AFC 18 Manuel

DeDietrich

DeDietrich IX 145-50 Manuel

DeDietrich

DeDietrich C 210 ECO Manuel du propriétaire

DeDietrich

DeDietrich MPX 28/33 BIC Manuel utilisateur

DeDietrich

DeDietrich EVODENS PRO Series Manuel utilisateur

DeDietrich

DeDietrich Elitec DTG 130 Manuel

DeDietrich

DeDietrich ECODENS DTG 1300-24 Eco / V130 Manuel utilisateur

Manuels Chaudière populaires d'autres marques

Vaillant

Vaillant uniSTOR VIH SW GB 500 BES Manuel utilisateur

Radijator

Radijator BIO max 23.1 Manuel utilisateur

Brunner

Brunner BSV 20 Manuel utilisateur

Buderus

Buderus Logamax GB062-24 KDE H V2 Manuel utilisateur

Potterton

Potterton 50e Fiche technique

UTICA BOILERS

UTICA BOILERS TriFire Manuel utilisateur

Joannes

Joannes LADY Series Manuel

ECR International

ECR International UB90-125 Manuel d'instructions

Froling

Froling FHG Turbo 3000 Manuel utilisateur

Froling

Froling P4 Pellet 8 - 105 Manuel utilisateur

U.S. Boiler Company

U.S. Boiler Company K2 Manuel utilisateur

Henrad

Henrad C95 FF Manuel utilisateur

NeOvo

NeOvo EcoNox EF 36 Manuel utilisateur

Potterton

Potterton PROMAX SL 12 Manuel utilisateur

Eco Hometec

Eco Hometec EC 25 COMPACT Manuel utilisateur

Viessmann

Viessmann VITODENS 200 Mode d’emploi

Baxi

Baxi Prime 1.24 Manuel utilisateur

REXNOVA

REXNOVA ISA 20 BITHERMAL Manuel utilisateur