Instruction manual

USER INSTRUCTIONS
CONDENSING BOILOES WITH STORAGE - TG05A095.A0306
49
6.8 Diagnostics
■ Error codes:
IONISATION BLOCK
SAFETY THERMOSTAT TRIPPED
WATER PRESSURE ALARM
HEATING SENSOR MALFUNCTION
D.H.W. SENSOR MALFUNCTION
GENERAL ALARM (AIR PRESSURE SWITCH OR WATER PRESSURE SWITCH)
PARAMETER PROGRAMMING REQUEST
■ Signal codes
SIGNAL CODE
SIGNAL TYPE
DESCRIPTION
CHIMNEY-SWEEP
FUNCTION ACTIVE
PRESSING THE “SERVICE” BUTTON FOR 5 SECONDS
ACTIVATES THE CHIMNEY-SWEEP FUNCTION. PRESSING THE
BOILER OFF BUTTON DEACTIVATES THE FUNCTION.
THE CHIMNEY-SWEEP FUNCTION OPERATES THE BOILER AT
MAXIMUM HEATING PRESSURE FOR 15 MINUTES WITHOUT
ANY MODULATION. THE FUNCTION IS USEFUL FOR
COMBUSTION TESTING.
HEATING ANTI-
FREEZE FUNCTION
THE FUNCTION IS ACTIVATED WHEN THE HEATING SENSOR
SENSES A TEMPERATURE OF 5 °C. THE BOILER OPERATES
AT MINIMUM GAS PRESSURE WITH THE DIVERTER VALVE IN
THE WINTER POSITION. THE FUNCTION IS DEACTIVATED
WHEN THE TEMPERATURE DETECTED BY THE SENSOR
REACHES 30 °C.
D.H.W ANTI-FREEZE
FUNCTION
THE FUNCTION IS ACTIVATED WHEN THE SENSOR SENSES A
TEMPERATURE OF 4 °C. THE BOILER OPERATES AT MINIMUM
GAS PRESSURE. THE DIVERTER VALVE CLOSES IN THE
SUMMER POSITION AND HEATS THE D.H.W CIRCUIT. THE
FUNCTION IS DEACTIVATED WHEN THE D.H.W SENSOR
DETECTS A TEMPERATURE OF 8°C.
INCOMPATIBLE
REMOTE CONTROL.
THE FUNCTION IS ACTIVATED WHEN A RADIANT REMOTE
CONTROL OR INTERFACE BOARD IS NOT PRESENT.
7
8
9
31
11
22
44
55
66
1
4
1
4
2222