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Malfunctions
Table: Flash codes
No. of
Malfunction
pulses
0
CD malfunction
1
No start within safety time
2
Flame interruption
3
Overvoltage / undervoltage
4
Unexpected light detection in initial or purge cycle
5
Flame guard defective
6
Temperature sensor / overheating protection defective
7
Solenoid valve defective
8
Burner Motor / Nozzle block pre-heater defective
9
Circulating pump defective
10
Overheating protection has tripped
11
Electronic ignition unit defective
12
Heater lock-out
54
Description
Control device malfunction
No start within safety time
Flame interruption during burner operation, restart
unsuccessful
Overvoltage
Undervoltage
Unexpected light (flame guard bright in purge cycle 2)
Unexpected light (flame guard bright before ignition)
Flame guard short-circuited
Flame guard disconnected
Temperature sensor short-circuited
Temperature sensor disconnected
Temperature sensor / overheating protection implausible
Overheating protection short-circuited
Overheating protection disconnected
Solenoid valve short-circuited
Solenoid valve disconnected
Burner Motor short-circuited
Circulating pump short-circuited
Overheating T>125°C
Electronic ignition unit short-circuited
Electronic ignition unit disconnected
Flame interruption counter threshold reached
Heater lock-out - release required
Malfunction counter threshold reached
Thermo E 200/320
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