5.9.
5.9.
Trouble shooting
Trouble shooting
5.9.1
5.9.1
Basic checks
Basic checks
In the event of fault conditions the basic requirements for correct operation must be first
examined:
1.
Check the electric supply (control and supply voltages).
2.
Check the fuse on the control unit by pressing the control unit reset button. If the fuse
is intackt this should cause a fault condition lockup.
3.
Check that all regulating and control devices are correctly set.
4.
Check that all the safety devices are in normal operating condition
5.
Check is the burner getting fuel, are the valves in fuel line open, is there oil in the tank
6.
Check is there sufficiently water in the heating system?
7.
Check that the direction of motor rotation is correct
When it is established, that the fault is not due to above mentioned, the individual burner
functions must be checked. Reset the burner control unit if it is in lockout position (signal
lamp lights). Burner starts, when the sequence switch has run to its start position and
other prerequisites for start are fulfilled (see chapter Burner Automation; Operation
”
).
Observe the burner functions.The symbol appearing above the reading mark indicates
The symbol appearing above the reading mark indicates
the possible kind of fault
the possible kind of fault (see chapter
”
Control Program under Fault Conditions and
Lockout Indication
”
). Measuring instruments can be used for finding of the fault.
RPMARINES 30820641GB
63 (77)
5. Maintenance
