Dungs AM 41 V2.0 Manuale d'uso - Pagina 15
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Stampa la pagina21. Error overview – minimal display (MPA 4114)
Flashing code
Error code
1 x flash
F A2
2 x
F 60
3 x
F A7
3 x
F bC
3 x
F A9
4 x
F A8
5 x
F AA
5 x
F AB
6 x
F A6
7 x
F 18
8 x
F 16
22. Error overview display (MPA 41x2 and display AM 41)
Error code
Error description
F 03
ERROR_WD_HARDWARE
Ambient temperature too high, overvoltage
F 04
ERROR_UNLOCKING_DENIED
Unlocks in the last 15 minutes; wait or use enhanced unlock
F 11
ERROR_UNDERVOLTAGE
Lower voltage limit reached; check power supply
F 12
ERROR_POWERFAILURE
Voltage interrupted during startup, operation or shutdown
F 1d
ERROR_PROCESSORFAILURE
MPA is subject to strong EMC interference
F A2
ERROR_SAFETY_CHAIN_OPEN
Safety chain opened; check limiters, breakers and wiring
F A4
ERROR_FEEDBACK_V1_INCORRECT
Faulty output, external voltage present at output; check wiring, EMC effect on valve line
F A5
ERROR_FEEDBACK_V2_INCORRECT
Faulty output, external voltage present at output; check wiring, EMC effect on valve line
F A6
ERROR_EXTERNAL_LIGHT
Ground fault on ionisation electrode, fuel is flowing out and burning (check valves), UV tube
defective
F A7
ERROR_NO FLAME_DURING_FIRST SAFETY TIME
Ionisation electrode in incorrect position, ignition electrode in incorrect position, no
fuel present, electrical grid connection for MPA is switched, fire monitor defective, line
interrupted.
F A8
ERROR_FLAME_GONE_OUT_DURING_OPERATION
Burner, flame detector, ionisation electrode defective. Check wiring and mixture setting.
F A9
ERROR_FLAME_GONE_OUT_DURING_STABILISATION
See F A7 and F A8
15 ... 16
Error description
Safety chain interrupted
Parameter change not enabled
No flame during first safety period
No flame during second safety period
Flame failure during stabilisation time
Flame failure during operation
Idle state control for air pressure monitor
No air pressure
Extraneous light detected
Error due to expansion module
Undervoltage or TWI communication
F AA
ERROR_IDLE STATE CONTROL_LDW
Air pressure monitor defective, air pressure signal during idle state control, incorrect setting
of air pressure monitor.
F Ab
ERROR_NO_AIR_PRESSURE
Air pressure monitor defective, air pressure signal during idle state control, incorrect setting
of air pressure monitor.
F AC
ERROR_FEEDBACK_IGNITION_INCORRECT
Faulty output, external voltage present at output, check wiring, EMC effect on ignition
transformer line
F Ad
ERROR_LACKOFGAS_GDWMIN
No fuel, gas pressure monitor defective, incorrect adjustment or wiring of gas pressure
monitor
F b3
ERROR_GASVALVEFEEDBACK_FALSE
See F AC
F b6
ERROR_LIMIT SWITCH_V1 (POC)
F bA
ERROR_FALSEFLAME_START
Extraneous light > 1 min after heat request
F bC
ERROR_NO FLAME_DURING_SECOND SAFETY TIME
F bD
ERROR_FLAME DETECTOR_NOT SWITCHED_INVERSE
F bF
ERROR_SAFETY_CHAIN_NOT_POTENTIAL-FREE
For a detailed description, see the MPA 41xx product manual
23. Replacement of MPA 41xx V1.1 with MPA 41xx V2.0
The V2.0 automatic burner control systems are backward compatible.
Prior to replacement, check that the program sequence and parameter values are set correctly.
For further information, see the MPA 41xx product manual.