herrmann HLZ 45 AV 17 G1, Техническая информация, инструкция по сборке и эксплуатации

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8. Malfunction diagnosis
Diagnosis Cause Rectification
1. Control box/Communication interface − Issued error codes
3: Time-out blower speed Electrical wiring between oil firing unit and Exchange the cables
blower is defective
Defective blower
Exchange the blower
4: No formation of flame during the safety time Oil supply: Excessive low pressure in the Check oil supply in accordance with the
suction line specification
Excessive pressure in the combustion Check the flue gas system
chamber Check the level of deposits of the boiler’s
heat exchanger and carry out cleaning, if
necessary
At condensing value boilers: Secure outflow
of condensation
Defective electrical wiring Check electrical wiring
Defective pump motor See 3: Pump motor
No development of the ignition spark See 4: Ignition
Defective oil pump See 5: Oil pump
Depending on start-up adjustment
defective coil of solenoid valve
1./2. stage
See 6: Solenoid valve
Defective flame detector See 7: Flame detector
Defective oil nozzle See 8: Oil nozzle
5: Flame blow-off during the burner's operation Oil supply: Excessively low pressure Check oil supply in accordance with the
in the suction line specification
Defective flame monitoring See 7: Flame monitoring
Defective motor for the pump See 3: pump motor
Defective oil pump See 5: oil pump
Depending on start-up adjustment
defective coil of solenoid valve
1st/2nd stage
See 6: solenoid valve
Leaking air/exhaust system Check the air/exhaust system
10: Error of remote unlocking Burner is running unstable and requires The burner must be disconnected from the
repeated external corrective actions power supply system to delete display
(5 x suppressions within 15 minutes) of the error code
11: Formation of flame during the pre-aeration Depending on start-up adjustment
and pre-ignition defective coil of solenoid valve
1st/2nd stage
See 6: solenoid valve
Defective flame detector Exchange the flame detector
15: Time-out of oil pre-heater Defective oil pre-heater Exchange the oil pre-heater
Defective electrical wiring of oil pre-heater Check the electrical wiring
32: Power supply Under-voltage < 190 V AC, Check the power supply
over-voltage > 260 V AC, voltage cut-off
Automatic re-start (no fault shutdown)
48: Interruption of bus communication Bus communication wiring is defective or Check the electrical wiring
interrupted
2. Blower
Blower is rotating at maximum speed Defective electrical wiring Check the electrical wiring
Blower doesn't start Defective electrical wiring Check the electrical wiring
Blower is running with heavy noise Defective arrangement of the motor shaft Exchange the blower
3. Pump motor
Motor doesn't start Defective condensator Exchange of condensator
Sluggishness of bearing Exchange of motor
Sluggishness of oil pump Exchange of oil pump
4. Ignition
No formation of ignition spark Defective ignition unit Exchange the ignition unit
Defective ignition cable Exchange the ignition cable
Defective oil firing unit Exchange the oil firing unit
Defective insulating of the ignition electrode Exchange the ignition electrodes
The position of the ignition electrodes Adjust the position of the ignition electrodes
are not correct by means of the adjustment plate
The ignition electrodes are very dirty Clean the ignition electrodes
Defective wiring of the power supply Exchange the electrical wiring
of the ignition unit