Bedienungsanleitung Rendamax R3500 (Seite 44 von 51) (Englisch)

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Doc890/3456CV02B 47

Setting the ﬂ ow temperature for Domestic Hot Water (cover open)

N.B. Only applicable if the Direct Hot Water function is used with the BM-E expansion module.

- Open the lid

- Turn the rotational switch (pos.5) clockwise until the arrow at the bottom of the LCD display

indicates parameter P2

- Press the combined Reset/Programming key (pos. 3). The LED will light. Turn the rotary switch

(pos.5) until the desired water ﬂ ow temperature has been reached

- Press the combined Reset/Programming key. The LED will go out

- Close the cover.

N.B. The new temperature setting will only become active once the Reset/Programming key has

been released.

6.4 Fault indications

A fault always results in a ﬂ ashing E symbol and a fault code appearing in the display. When a

fault occurs, the cause must always be found and corrected before the related protective function

is reset. If a fault occurs 3 times or more within half an hour, the fault code will be appearing in the

display with an additionally “3” above it. The boiler can be nevertheless in operation.

1 The high limit thermostat has operated. The boiler tempera ture has exceeded 100°C. Press

the reset button.

2/3 The interlocking input has been interrupted. Correct the external error and press reset.

4/5 Ionisation fault. Press reset.

6 Temperature protection has operated. The boiler tempera ture has exceeded the setting.

Press reset.

7 The lockout input has been interrupted. Correct the external fault and press reset.

11 Error in ﬂ ame signal. A ﬂ ame has been detected during start-up. Correct the fault and press

reset.

12 Flow temperature sensor is faulty. Correct fault.

13 Wiring of the CXE/EM extension module is defective. Cor rect fault.

14 Hot water temperature sensor is defective. Correct fault.

15 External temperature sensor is defective.Correct fault.

18 Header temperature sensor is defective. Correct fault.

20 Error in the control of gas valve 1. After burner has stopped a ﬂ ame has been detected for a

period of 5 seconds. This in spite of the fact that valve 1 is closed. Correct the fault by clean-

ing the valve.

21 Error in the control of gas valve 2. After burner has stopped a ﬂ ame has been detected for a

period of 5 seconds. This in spite of the fact that valve 2 is closed. Correct the fault by clean-

ing the valve.

22 A i r ﬂ ow too low. The air pressure switch has not operated. Press reset.

23 The air pressure switch has not switched off. Press reset.

27 The air pressure switch switched off during operation.

30 CRC error in EEprom data group “Boiler”. Press reset.

31 CRC error in EEprom data group “Burner”. Press reset.

32 Fault in 24 V circuit. Correct fault.

40 Error detected in the position of the ﬂ ow switch. The ﬂ ow switch is tested under two condi-

tions:

- No heat demand - pump stop - ﬂ ow switch must return in rest position.

- Heat demand - pump turns - ﬂ ow switch detects water ﬂ ow.

Not adhering to the above conditions will give the error condition. Correct fault.

X.Y. An internal fault has been detected during the self-test. Press reset.

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