ACV · Boilers and HVAC
ACV Compact Condens commercial condensing boiler
Product information, applicable models, official documentation and 44 indexed error-code explanations for Compact Condens commercial condensing boiler.
44indexed codes
1named models or series
1official links
About ACV Compact Condens commercial condensing boiler
ACV Compact Condens commercial condensing boiler is indexed in the Boilers and HVAC directory for Europe. This page brings the available product context, model references, documentation and diagnostic codes together in one place.
The codes below apply only where the linked code page lists this product or model. Confirm the complete model identifier because manufacturers may reuse the same characters across different ranges, generations and control systems.
An error code describes a condition detected by the product; it does not prove that a named component has failed. Follow the exact manual, avoid repeated resets and use an appropriately qualified technician whenever checks require internal access.
Models and series
Compact Condens 170; Compact Condens 210; Compact Condens 250; Compact Condens 300
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Common Compact Condens commercial condensing boiler codes
Frequently useful high-priority and recently documented entries.
E99ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E99 error code – Display-to-control-module communication lostACV documents E99 for the Compact Condens 170, 210, 250 and 300 as: Display-to-control-module communication lost.E98ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E98 error code – Cascade bus communication lostACV documents E98 for the Compact Condens 170, 210, 250 and 300 as: Cascade bus communication lost.E97ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E97 error code – Cascade configuration changedACV documents E97 for the Compact Condens 170, 210, 250 and 300 as: Cascade configuration changed.E96ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E96 error code – Outdoor sensor open circuitACV documents E96 for the Compact Condens 170, 210, 250 and 300 as: Outdoor sensor open circuit.E95ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E95 error code – Invalid cascade supply-sensor readingACV documents E95 for the Compact Condens 170, 210, 250 and 300 as: Invalid cascade supply-sensor reading.E94ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E94 error code – Internal display-memory faultACV documents E94 for the Compact Condens 170, 210, 250 and 300 as: Internal display-memory fault.E93ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E93 error code – Outdoor sensor short circuitACV documents E93 for the Compact Condens 170, 210, 250 and 300 as: Outdoor sensor short circuit.E92ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E92 error code – Cascade sensor open circuitACV documents E92 for the Compact Condens 170, 210, 250 and 300 as: Cascade sensor open circuit.
Complete directory
All Compact Condens commercial condensing boiler error codes
Showing 1–30 of 44
E01ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E01 error code – Failed ignition after three attemptsACV documents E01 for the Compact Condens 170, 210, 250 and 300 as: Failed ignition after three attempts.E02ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E02 error code – False flame detected before ignitionACV documents E02 for the Compact Condens 170, 210, 250 and 300 as: False flame detected before ignition.E03ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E03 error code – Boiler temperature above 105°CACV documents E03 for the Compact Condens 170, 210, 250 and 300 as: Boiler temperature above 105°C.E04ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E04 error code – Air-pressure switch failed zero-position checkACV documents E04 for the Compact Condens 170, 210, 250 and 300 as: Air-pressure switch failed zero-position check.E05ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E05 error code – Blower speed incorrect or signal missingACV documents E05 for the Compact Condens 170, 210, 250 and 300 as: Blower speed incorrect or signal…E06ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E06 error code – Air-pressure switch opened repeatedly during operationACV documents E06 for the Compact Condens 170, 210, 250 and 300 as: Air-pressure switch opened repeatedly during…E07ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E07 error code – Flue temperature above limitACV documents E07 for the Compact Condens 170, 210, 250 and 300 as: Flue temperature above limit.E08ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E08 error code – Flame-circuit test failedACV documents E08 for the Compact Condens 170, 210, 250 and 300 as: Flame-circuit test failed.E09ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E09 error code – Gas-valve circuit test failedACV documents E09 for the Compact Condens 170, 210, 250 and 300 as: Gas-valve circuit test failed.E12ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E12 error code – EEPROM configuration faultACV documents E12 for the Compact Condens 170, 210, 250 and 300 as: EEPROM configuration fault.E13ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E13 error code – Reset limit reachedACV documents E13 for the Compact Condens 170, 210, 250 and 300 as: Reset limit reached.E15ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E15 error code – Supply or return sensor driftACV documents E15 for the Compact Condens 170, 210, 250 and 300 as: Supply or return sensor drift.E16ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E16 error code – Supply sensor reading stuckACV documents E16 for the Compact Condens 170, 210, 250 and 300 as: Supply sensor reading stuck.E17ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E17 error code – Return sensor reading stuckACV documents E17 for the Compact Condens 170, 210, 250 and 300 as: Return sensor reading stuck.E18ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E18 error code – Supply or return sensor reading changed too rapidlyACV documents E18 for the Compact Condens 170, 210, 250 and 300 as: Supply or return sensor reading…E21ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E21 error code – Internal analogue-to-digital conversion errorACV documents E21 for the Compact Condens 170, 210, 250 and 300 as: Internal analogue-to-digital conversion error.E25ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E25 error code – Internal CRC check errorACV documents E25 for the Compact Condens 170, 210, 250 and 300 as: Internal CRC check error.E30ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E30 error code – Supply sensor short circuitACV documents E30 for the Compact Condens 170, 210, 250 and 300 as: Supply sensor short circuit.E31ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E31 error code – Supply sensor open circuitACV documents E31 for the Compact Condens 170, 210, 250 and 300 as: Supply sensor open circuit.E32ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E32 error code – DHW sensor short circuitACV documents E32 for the Compact Condens 170, 210, 250 and 300 as: DHW sensor short circuit.E33ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E33 error code – DHW sensor open circuitACV documents E33 for the Compact Condens 170, 210, 250 and 300 as: DHW sensor open circuit.E34ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E34 error code – Supply voltage below operating levelACV documents E34 for the Compact Condens 170, 210, 250 and 300 as: Supply voltage below operating level.E37ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E37 error code – Water pressure below 0.7 barACV documents E37 for the Compact Condens 170, 210, 250 and 300 as: Water pressure below 0.7 bar.E43ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E43 error code – Return sensor short circuitACV documents E43 for the Compact Condens 170, 210, 250 and 300 as: Return sensor short circuit.E44ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E44 error code – Return sensor open circuitACV documents E44 for the Compact Condens 170, 210, 250 and 300 as: Return sensor open circuit.E45ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E45 error code – Flue sensor short circuitACV documents E45 for the Compact Condens 170, 210, 250 and 300 as: Flue sensor short circuit.E46ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E46 error code – Flue sensor open circuitACV documents E46 for the Compact Condens 170, 210, 250 and 300 as: Flue sensor open circuit.E47ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E47 error code – Water-pressure sensor disconnected or brokenACV documents E47 for the Compact Condens 170, 210, 250 and 300 as: Water-pressure sensor disconnected or broken.E76ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E76 error code – External automatic-reset limit openedACV documents E76 for the Compact Condens 170, 210, 250 and 300 as: External automatic-reset limit opened.E77ACV · Compact Condens commercial condensing boiler · EuropeACV Compact Condens E77 error code – Siphon switch openACV documents E77 for the Compact Condens 170, 210, 250 and 300 as: Siphon switch open.