Enertech Bentone STG 146, Installation And Maintenance Instruction, Page: 13 / 32

172 445 02 08-01
ELECTRIC EQUIPMENT
Control diagnosis under fault conditions and lockout indication
Gas burner control: LME....
Alarm control table
During alarm trigger diagnostics, control outputs are to be disconnected from all power.
-
The burner is disconnected
- Exception, the «AL» alarm signal at connection block 10
The burner is only to be reconnected after it is reset
- Press the reset button 0.5...3 s.
To switch to interface mode, hold the reset button depressed for more than 3 s. To return
to normal mode, hold the reset button depressed for more than 3 s. If the firing unit is in
the alarm mode, it is reset by pressing the reset button 0.5...3 s.
Interface diagnostics
Connecting signal amplifier
2(2)
Red flashing code on Possible causes
signal lamp (LED)
Flashing 2 x No flame at End of «TSA»
•• - Defective or obscured flame monitor
- Defective or obscured fuel valves
- Poor burner installation
- Defective ignition unit
Flashing 3 x «LP» defective
••• - No air monitor signal after «t10»
- «LP» is welded in the open position
Flashing 4 x Prohibited flame signal during start up
••••
Flashing 5 x Time out «LP»
••••• - «LP» is welded in the closed position
Flashing 6 x Free
••••••
Flashing 7 x Too many loss of flame during operation
••••••• - Poor burner installation
- Defective or obscured fuel valves
- Defective or obscured flame monitor
Flashing 8 x Free
••••••••
Flashing 9 x Free
•••••••••
Flashing 10 x Connection fault or internal fault,
•••••••••• outgoing contacts or other fault
Flashing 14 x CPI contact not closed
••••••••••
••••
A1 = LME
GP
R/W
L N
br bl rt sw
sw rt Q1 = AGQ 3...
QRA
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