AUTOFLAME Mk8 MM - Page 55

Fault Message Description
12 Exhaust Temperature Upper
Limit
Exhaust temperature is above upper limit offset of
commissioned value*
 Alarm or warning depending on option 13
 Check exhaust gas readings and parameter 96
13 Exhaust Temperature
Absolute Limit
Exhaust temperature is above absolute limit*
 Alarm or warning depending on option 13
 Check exhaust gas readings and parameter 97
50 Load Sensor Fault Incorrect/no load sensor detected
 Alarm
 Check option 1
 Check wiring on terminals 37 – 39
51 Auxiliary Input Low 3mA or lower received from 4-20mA external modulation/
external setpoint
 Alarm
 Check parameter 69
 Check feedback from external modulation/ external setpoint controller
 Check wiring on terminals 7 – 9
80 Oil Pressure Sensor Fault No comms received from oil pressure sensor
 Warning (lockout 81 if oil pressure limits set in option/parameters 139 and 140)
 Check wiring and screen on terminals 48, 49
100 Cap Probe 1 Communications
Fault
No comms with capacitance probe 1
 Alarm
 Check wiring and screen on terminals 1P+, 1P-, 1T+ and 1T-
101 Cap Probe 2 Communications
Fault
No comms with capacitance probe 2
 Alarm
 Check wiring and screen on terminals 2P+, 2P-, 2T+ and 2T-
102 Cap Probe 1 Short Circuit Hz reading is below 10kHz
 Alarm
 Check water level Hz reading
 Check wiring on terminals 1P+, 1P-, 1T+ and 1T-
103 Cap Probe 2 Short Circuit Hz reading is below 10kHz
 Alarm
 Check water level Hz reading
 Check wiring on terminals 2P+, 2P-, 2T+ and 2T-
104 Cap Probe 1 Temp
Compensation Error
Temperature corrected probe reference is not as expected
 Alarm
 Re-commission capacitance probes at temperature
105 Cap Probe 2 Temp
Compensation Error
Temperature corrected probe reference is not as expected
 Alarm
 Re-commission capacitance probes at temperature
106 Cap Probe 1 Still Water
Detected
Wave signature high to low peak distance is less than still
water threshold
 Alarm
 Check still water threshold in expansion option 28
 Check capacitance probe 1 reading history
22.05.2017 Mk8 MM End User Guide Page 50
4 Errors and Lockouts