Biasi Boiler Error Codes

Biasi Boiler Error Codes

Biasi Error Codes

The Biasi range of boilers are normally very reliable, but just like anything it can go wrong.

Occasionally some things can go wrong, that’s why we’ve created our handy at-a-glance table of Biasi error codes (below) and a guide to Common Biasi Boiler Problems and Repair.

Should you need professional help with your broken boiler, then simply use one of our enquiry forms and we will connect you with the best heating engineers local to you.


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Biasi Boiler Error Codes

Listed below are some error codes that could appear on the Biasi boiler.

Fault Code Fault Image System Behaviour
ER 01 + Reset N/A Lack of burner ignition on safety lockout
ER 02 + Reset N/A Safety thermostat intervention lockout
ER 03 + Reset N/A General lockout
ER 04 +
spanner
Faulty primary circuit (no water or absence of flow)
ER 05 +
spanner
Faulty fan control system
ER 06 +
spanner
Faulty c.h. temp. probe NTC
ER 07 +
spanner
Faulty d.h.w. temp. probe NTC
ER 08 +
spanner
Faulty external temp. probe NTC
ER 09 +
spanner
Faulty flue temp. probe NTC
ER 10 + reset N/A Flue probe intervention lockout
N/A
an 11
Flame detection error (An flashing + number error flashing
ER + 14 + Reset N/A Faulty pump or primary temperature above 105°C
ER + 14 + Reset N/A Faulty pump or primary temperature above 105°C
ER + 14 +
spanner
Absence of flow from temperature gradient (>2K/s)/td>
Li N/A Primary circuit temp. limit during d.h.w. operation
N/A Boiler Stand-By, hyphens are turned on in sequence to simulate running /antifreeze protection activated)
N/A
68 fl
Boiler Stand-By, hyphens are turned on in sequence to simulate running /antifreeze protection activated)
N/A
68 fl
Filling request: The boiler works regularly and the display shows all the icons, but the signal FL is flashing every 1 sec.
N/A
ER d4
Insufficient pressure: The boiler stops displaying the water lack error.
30c N/A Boiler waiting for heat request
N/A
31
Boiler in summer mode (d.h.w.). The primary circuit temperature is displayed.
N/A
32
Boiler in winter mode (c.h.+ d.h.w.) The primary circuit temperature is displayed.
N/A
34
Boiler on demand for d.h.w. power. The d.h.w. temperature is displayed. / Boiler on demand for c.h. power.
N/A
Flame
Burner ignition (spark)
N/A
Biasi Error Picture

Flame present (Burner on)
N/A
CF 68

Pre-heating function 3 stars DHW comfort. This information is not displayed. It will be possible to check its state in the section “INFO” value “cF” (the signal “cF” is alternated to the CH temperature value until the end of this function). You can enter the function pushing the buttons 12 and 13 together. The function is confirmed showing ON or OFF alternating for 5 sec. This function is always active at every hour (it’s not possible to set the time slots unless a remote control is connected).
N/A
CF on

Pre-heating function 3 stars DHW comfort. This information is not displayed. It will be possible to check its state in the section “INFO” value “cF” (the signal “cF” is alternated to the CH temperature value until the end of this function). You can enter the function pushing the buttons 12 and 13 together. The function is confirmed showing ON or OFF alternating for 5 sec. This function is always active at every hour (it’s not possible to set the time slots unless a remote control is connected).
N/A
bp 15

Boiler in anti-freeze phase (bP flashing + temperature flashing)
N/A
AF 15

Boiler in antifrost phase (AF flashing + temperature flashing)
N/A
AF 16

Set c.h. (all other symbols are disabled)
N/A
78

Set d.h.w. (all other symbols are disabled)
N/A
4b

Pump activated for the post-circulation phase (Po flashing + temperature flashing)
N/A
po 35

Delayed burner ignition for setting the system (uu flashing + temperature flashing)
N/A
Biasi Error Picture

Maintenance required The wrench symbol is flashing (without showing any error)
LP N/A Boiler in chimney sweep in function. The activation of the chimney sweep occurs configuring the “parameter P09=01” and is visualized: LP= minimum dhw hP= minimum heating cP= maximum heating dP= maximum dhw. The transition occurs with keys 16 (increase) and 15 (decrease) dhw temperature. The writing on the display alternates.
N/A
spanner

Boiler in chimney sweep in function. The activation of the chimney sweep occurs configuring the “parameter P09=01” and is visualized: LP= minimum dhw hP= minimum heating cP= maximum heating dP= maximum dhw. The transition occurs with keys 16 (increase) and 15 (decrease) dhw temperature. The writing on the display alternates.

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