3 Water Level Control
Page 68 Mk8 MM Expansion Features Installation and Set-Up Guide 04.09.2016
3.10 Faults
The table below show the faults which are directly related to the water level control function. For the
full list of faults including errors, lockouts, alarms, warnings, setting conflicts and forced commission
reasons, please see section 4 in the Mk8 MM Installation and Commissioning Guide.
Fault Message Description Type
100 Cap Probe 1 Communications
Fault
No comms with capacitance probe 1 Alarm
Check wiring and screen on terminals 1P+, 1P-, 1T+ and 1T-
Check capacitance probe 1
101 Cap Probe 2 Communications
Fault
No comms with capacitance probe 2 Alarm
Check wiring and screen on terminals 2P+, 2P-, 2T+ and 2T-
Check capacitance probe 2
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
105 Cap Probe 2 Temp
Compensation Error
Temperature corrected probe
reference is not as expected
Alarm
Re-commission capacitance probes
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
107 Cap Probe 2 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 2 reading history
108 Cap Probe 1 Serial Number
Mismatch
Probe serial number detected is not the
commissioned probe serial number
Alarm
If changing capacitance probe 1, re-commission is required
109 Cap Probe 2 Serial Number
Mismatch
Probe serial number detected is not the
commissioned probe serial number
Alarm
If changing capacitance probe 2, re-commission is required
110 Cap Probe 1 Detected But
Not Optioned
Probe connected but not optioned Alarm
Check expansion options 1 and 3
Check wiring on terminals 1P+, 1P-, 1T+ and 1T-
Probe may require commissioning
111 Cap Probe 2 Detected But
Not Optioned
Probe connected but not optioned Alarm
Check expansion options 1 and 3
Check wiring on terminals 2P+, 2P-, 2T+ and 2T-
Probe may require commissioning