8 Troubleshooting – Possible faults
158
HDG M299/300/350/400 - Version 1 - en
©
HDG Bavaria GmbH 07/2008
FA041
Motor
protection
triggered
•
Motor incorrectly connected
•
Motor overload
•
Motor is faulty
•
Motor cable faulty
•
Protected switch faulty
•
Check the motor connection
•
Check the drive
•
Check the motor
•
Check the motor cable
FA049
Boiler
overtemperature
•
Supply temperature has
exceeded 95°C
•
Relay in control cabinet
faulty
•
Connection cable faulty
•
STB faulty
•
Let the boiler cool down
•
Check the relay
•
Check the connection cable
•
Check STB
•
Check the electrical
connection
FA050
Flue gas
temperature too
low
•
Connection cable faulty
•
Improperly worked clamping
point
•
Ignition fan is faulty
•
Analogue module faulty
•
Check connection cable
•
Check clamping points
•
Check ignition fan
•
Check analogue module
FA051
Ignition fault
3 attempts!
•
Ignition fan is faulty
•
Connection cable faulty
•
Combustion chamber
temperature sensor is faulty
•
Line to combustion chamber
temperature sensor faulty
•
No material available
•
Check ignition fan
•
Check the electrical
connection
•
Check combustion chamber
temperature sensor
•
Check fuel storage
FA052
Water pressure
out of range
•
Water pressure outside of
the set range
•
Check pressure switch (min./
max.)
FA053
Low on water
•
Too little water in cycle
•
Relay in control cabinet
faulty
•
Connection cable faulty
•
Insufficient water cut-out
faulty
•
Refill water
•
Check the relay
•
Check the connection cable
•
Check the insufficient water
cut-out
•
Check the electrical
connection
FA054
Oil burner plug
seal
•
Oil burner plug seal not
locked
•
Faulty limit switch
•
Connection cable faulty
•
Check lock
•
Check limit switch
•
Check the connection cable
•
Check the electrical
connection
FA055
Combustion
chamber sensor
is faulty
•
Combustion chamber
temperature sensor is faulty
•
Line from combustion
chamber temperature sensor
faulty
•
Check the combustion
chamber temperature
sensor/line and replace if
necessary
No.
Fault
Cause
Remedy
Table 8/1 - Faults (continuation)
Содержание M299
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