Thermal Care Aquatherm RQE, Operation, Installation, And Maintenance Manual

Page: 14 / 24

10
Table 3 – Diagnostic Screens (continued)
Category Screen
Number
Parameter Device Description
Alarm/
Warning
Counts
11/18
Sup Probe
Srt Supply "To Proc" RTD
Temperature Probe
Shorted Alarms Note: Warnings that result from this condition are not counted.
Ret Probe
Srt Return "From Proc" RTD
Temperature Probe
Shorted Alarms Note: Warnings that result from this condition are not counted.
12/18
Sup Probe
Opn Supply "To Proc" RTD
Temperature Probe Open
Alarms Note: Warnings that result from this condition are not counted.
Ret Probe
Opm Return "From Proc" RTD
Temperature Probe Open
Alarms Note: Warnings that result from this condition are not counted.
13/18
Sup Probe
Err Supply "To Proc" RTD
Temperature Probe
Channel Error Alarms Note: Warnings that result from this condition are not counted.
Ret Probe
Err Return "From Proc" RTD
Temperature Probe Chan-
nel Error Alarms Note: Warnings that result from this condition are not counted.
14/18
Pmp Stuck
Clsd Pump Contactor Stuck
Closed Alarms Number of times pump contactor auxiliary contacts remained actuated
when the coil was de-energized.
Pmp Stuck
Open Pump Contactor Stuck
Open Alarms Number of times pump contactor auxiliary contacts remained open when
the coil was energized.
Htr Stuck
Clsd Heater Contactor Stuck
Closed Alarms Number of times heater contactor auxiliary contacts remained actuated
when the coil was de-energized.
Htr Stuck
Open Heater Contactor Stuck
Open Alarms Number of times heater contactor auxiliary contacts remained open
when the coil was energized.
15/18
Low Pres
Time Low Pressure Shutdown
Alarms Number of times the running TCU has remained in a low-pressure
paused state for so long that it created an alarm to turn itself off.
Low Pres
Evnt Low Pressure Events
Alarms Number of times the TCU had an alarm due to too many low-pressure
events within the selected time period.
Pump
Overload Pump Overload Alarm
Alarms Note: Warnings that result from this condition are not counted.
Overtemp Over Temperature Alarms Number of times the TCU has alarmed due to lack of signal on external
high-temperature input.
16/18
Tmp Ovr
Limit Temperature Over Factory
Limit Alarms Number of times the TCU has alarmed due to the process temperature
exceeding the factory high limit.
Tmp Und
Limit Temperature Under
Factory Limit Alarms Number of times the TCU has alarmed due to the process temperature
dropping below the factory low limit.
Tmp Ovr
Setng Temperature Over User
Limit Alarms This is a user-influenced alarm since the user picks the alarm trip points.
Tmp Und
Setng Temperature Under User
Limit Alarms This is a user-influenced alarm since the user picks the alarm trip points.
17/18
Flash
Memory Flash Memory Warnings Number of times an "excessive number of memory writes" were
detected.
Brownout Brownout Alarms Number of times the machine lost power while running. This will only
register if user turns this alarming on. Note: This functionality is not
available on all TCU models.
Electric
Power Electric Power Alarms Number of times the machine detected incorrect incoming power phase
rotation or unequal phase legs. Note: This functionality is not available
on all TCU models.