19 Errors & Lockouts
Mk8 MM Manual Page | 387
Servo Control I/O Unit
Channel 1 Output Fault
4-20mA output detects open circuit
• Alarm
• Check wiring on output 1 on I/O module
Servo Control I/O Unit
Channel 2 Output Fault
4-20mA output detects open circuit
• Alarm
• Check wiring on output 2 on I/O module
Servo Control I/O Unit
Channel 3 Output Fault
4-20mA output detects open circuit
• Alarm
• Check wiring on output 3 on I/O module
Servo Control I/O Unit
Channel 4 Output Fault
4-20mA output detects open circuit
• Alarm
• Check wiring on output 4 on I/O module
Servo Control I/O Unit
Channel 7 Output Fault
4-20mA output detects open circuit
• Alarm
• Check wiring on output 5 on I/O module
Servo Control I/O Unit
Channel 1 Input Fault
4-20mA input less than 3mA
• Alarm
• Check wiring on input 1 on I/O module
Servo Control I/O Unit
Channel 2 Input Fault
4-20mA input less than 3mA
• Alarm
• Check wiring on input 2 on I/O module
Servo Control I/O Unit
Channel 3 Input Fault
4-20mA input less than 3mA
• Alarm
• Check wiring on input 3 on I/O module
Servo Control I/O Unit
Channel 4 Input Fault
4-20mA input less than 3mA
• Alarm
• Check wiring on input 4 on I/O module
Servo Control I/O Unit
Channel 7 Input Fault
4-20mA input less than 3mA
• Alarm
• Check wiring on input 5 on I/O module
Low gas pressure before fuel
changeover
Selected fuel gas pressure is too low and therefore not ready to
run
• Warning
• Check selected Fuel Gas Pressure
• Check gas pressure sensor wiring
Selected fuel cannot be run
Selected fuel is not fully commissioned
• Warning
• Check that selected fuel is properly commissioned for Dual Fuel Output Mode
• Check if FGR and/or Golden Start points are optioned but not commissioned
*When option 12 is set to 3 for trim and combustion limits, the combustion limits are evaluated once per trim
cycle. A combustion limit error will occur if the current exhaust value has crossed the combustion limit for the
number of trim cycles set in parameter 17 (the default value is 3 cycles).
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