User`s guide

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ACF60-00 – Installation, User’s and Maintenance Manual

Ed. 04/2012

FLOWMETER ON WITH PLANT IN HEATING MODE

CODE GENERATED WHEN: The flowmeter of the cold circuit detects the presence of water in the circuit, when (and only in this

situation) the appliance is configured as a 2-pipe hot-cold system and the plant is operating at that

moment in heating mode.

The code (

77) does not intervene when you have the antifreeze function.

MODALITA’ DI RIARMO: Reset is automatic and occurs when the condition that generated it ceases to apply.

INCOMPLETE PARAMETERS

CODE GENERATED BY: Incomplete parameters.

RESET METHOD: The code remains until operating parameters are entered and completed. Contact authorised Robur TAC.

NB: If the board is replaced, the Code E 80 may appear, meaning that the ACF characterisation parameters have not been set..

E 80

INVALID PARAMETERS

CODE GENERATED BY: Invalid parameters or damage to parameter memory.

RESET METHOD: Reset occurs automatically when correct parameters are entered.

If the code persists, contact authorised Robur TAC. If the parameters are incorrect, it is necessary to enter

and complete the unit operating and characterisation parameters. If the memory is damaged, it is

necessary to replace the board.

INVALID BANK 1 DATA - INVALID BANK 2 DATA

CODE GENERATED BY: Invalid Bank 1 data - Invalid Bank 2 data.

RESET METHOD: Reset occurs automatically 5 seconds after the code is generated.

E 81

E 82

INVALID BANK 1 DATA - INVALID BANK 2 DATA

CODE GENERATED BY: Invalid Bank 1 data - Invalid Bank 2 data.

RESET METHOD: Reset may be performed via the board, menu 2, parameter 1. If the code persists, contact authorised

Robur TAC.

E 84

FAULTY CONNECTION TRANSFORMER OR FUSES 24 Vac

CODE GENERATED BY: Damage to one of the 2 24-0-24 Vac transformer fuses, or one of 24-0-24 Vac wires to the board not

supplying current.

RESET METHOD: Check fuses and 24-0-24 Vac electrical power connections on the board. Reset may be carried out via

DDC (or via the S61 board, parameter 1). If the code persists or occurs again, contact authorised Robur

TAC.

E 85

INCORRECT MODULE TYPES (from menu 6)

CODE GENERATED BY: The module type set (from menu 6) does not correspond to the one managed by the board.

RESET METHOD: Reset occurs automatically when the correct parameters are entered.

If the code persists, contact authorised Robur TAC.

E 86 - E 87 - E 88 - E 89

MEMORY TEST UNSUCCESSFUL

CODE GENERATED BY: Processor error.

RESET METHOD: Contact authorised Robur TAC.

E 90

AMBIENT TEMPERATURE SENSOR DEFECTIVE

CODE GENERATED BY: Interruption or short circuit of ambient temperature sensor.

RESET METHOD: Reset may be performed via DDC (or S61 board via menu 2, parameter 1). If the code persists, contact

authorised Robur TAC.

E 91

BOARD DEFECTIVE

CODE GENERATED WHEN: One of the following is absent: serial number of board, hardware version code or encryption key written

during board test.

RESET METHOD: Contact ROBUR TAC.

Table 27 – Operating codes generated by S61 electronic board of the units

(viewable also on the DDC display)