Error 2.30: Ignition failed
LambdaControl 1
Error 2.30
Ignition failed
Cause: The boiler could not start after the ignition attempt
Display 3 red: illuminates
Information text: -
Emergency program: -
Reset: Press button ► (refuel)
Possible causes: Is (are) the boiler door(s) closed, is there fuel in the boiler, does the ignition fan function – functionality can be
checked with an aggregate test ("Selection" → “Ignition” → "Ext.-Ignition" → “Ignition” → "Aggregate test").
Controller function: The automatic ignition process is aborted.
Error 2.31: Ignition error
LambdaControl 1
Error 2.31
Ignition error
Cause: The monitoring device has detected a leak in the boiler
Display 3 red: illuminates
Information text: Door(s) is (are) not closed
Emergency program: -
Reset: Press button ► (refuel)
Possible causes: Boiler door(s) is (are) not closed. In connection with a vacuum unit a leak in the boiler can be detected.
Controller function: The automatic ignition process is aborted.
Error 26.01: Memory error (EE-Prom)
LambdaControl 1
Error 26.01
Controller defective
Do not fire!
Cause: Memory error (EE-Prom)
Display 3 red: illuminates
Information text: -
Emergency program: NO
Reset: not possible
Rectification: Call service technician – replace controller.
Controller function: “Boiler OFF” / Y1 and Y2 - OPEN / load pump M1 OFF / V1 = 0% / V2 = 50% / all remaining functions OFF.
Error 26.02: Program surveillance (watchdog)
LambdaControl 1
Error 26.02
Controller defective
Do not fire!
Cause: Program surveillance (watchdog)
Display 3 red: illuminates
Information text: -
Emergency program: NO
Reset: not possible
Rectification: Call service technician – replace controller.
Controller function: “Boiler OFF” / Y1 and Y2 - OPEN / load pump M1 OFF / V1 = 0% / V2 = scavenging air/ all remaining func. OFF.
Error 26.03: Voltage reference
LambdaControl 1
Error 26.03
Controller defective
Do not fire!
Cause: Voltage reference
Display 3 red: illuminates
Information text: -
Emergency program: NO
Reset: not possible
Rectification: Call service technician – replace controller.
Controller function: “Boiler OFF” / Y1 and Y2 - OPEN / load pump M1 OFF / V1 = 0% / V2 = scavenging air/ all remaining func. OFF.
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