Main Processor Diagnostic - Trane CGAM Installation & Operation Manual

Diagnostics

Main Processor Diagnostic

Table 78. Main processor diagnostics
Diagnostic Name
BAS Communication Lost
BAS Communication Lost
BAS Communication Lost
BAS Failed to Establish Communication
BAS Failed to Establish Communication
BAS Failed to Establish Comm
Check Clock
Check Clock
Check Clock
Chilled Water Flow (Entering Water Temp)
Chilled Water Flow (Entering Water Temp)
Chilled Wtr Flow (Ent Temp)
Circuit Pumpdown Terminated
Circuit Pumpdown Terminated
Circuit Pumpdown Terminated
Compressor Fault
Compressor Fault
Compressor Fault
Compressor Fault Lockout
Compressor Fault Lockout
Compressor Fault Lockout
Emergency Stop
Emergency Stop
Emergency Stop
Evaporator Pump 1 Starts/Hours Modified
Evaporator Pump 1 Starts/Hours Modified
Evap Pmp Starts/Hrs Modified
Evaporator Pump 2 Starts/Hours Modified
Evaporator Pump 2 Starts/Hours Modified
Evap Pmp Starts/Hrs Modified
Evaporator Water Flow Lost
Evaporator Water Flow Lost
Evap Water Flow Lost
Evaporator Water Flow Lost – Pump 1
Evaporator Water Flow Lost – Pump 1
Evap Water Flow Lost
140
Persis-
Affects Severity tence
Chiller Special NonLatch
Chiller Special NonLatch
Platform Warning Latch
Chiller Immediate Latching
Circuit Warning Latching
Cprsr Immediate NonLatch
Cprsr Immediate Latch
Chiller Immediate Latch
Chiller Warning NonLatch
Chiller Warning NonLatch
Immediate
and
Chiller NonLatch
Special
Action
Warning
and
Chiller NonLatch
Special
Action
Active Modes
[Inactive
Modes] Criteria
Refer to the LCI-C interface for details on the
LonTalk interface.
contains details on the BACnet interface.
All
Refer to setpoint arbitration to determine
how setpoints and operating modes may be
affected by the comm loss.
Refer to the LCI-C interface for details on the
LonTalk interface. The BCI-C interface
contains details on the BACnet interface.
At power-up
Refer to setpoint arbitration to determine
how setpoints and operating modes may be
affected.
The real time clock had detected loss of its
oscillator at some time in the past. Check /
replace battery? This diagnostic can be
All effectively cleared only by writing a new
value to the chiller's time clock using the
TechView or DynaView's "set chiller time"
functions.
The entering evaporator water temp fell
Any Ckt(s)
below the leaving evaporator water
Energized [No
temperature by more than 3°F for
Ckt(s)
100°F-sec while at least one compressor
Energized]
was running.
Operational/
Service
Operational Pumpdown or Service
Pumpdown
Pumpdown procedure did not terminate
[All Except
normally by reaching the termination
Operational and
pressure within the allotted time.
Service
Pumpdown]
All The compressor fault switch input is open. Local
The compressor fault switch input remained
open for more than 35 minutes. Five
All
compressor fault diagnostics have occurred
within the last 210 minutes.
All Emergency Stop input is open.
A counter for evaporator pump 1 starts or
hours has been modified by TechView. This
All diagnostic is immediately and automatically
cleared and thus can only be seen in the
historic diagnostic list.
A counter for evaporator pump 2 starts or
hours has been modified by TechView. This
All diagnostic is immediately and automatically
cleared and thus can only be seen in the
historic diagnostic list.
After the pump request was activated, water
flow was established and then lost. Special
All
action is to keep the evap pump request
active in a diagnostic override mode.
For dual evaporator pump configurations
only. Evaporator Water Flow Lost diagnostic
All
occurred while Pump 1 was the selected
pump.
Reset
Level
The BCI-C interface
Remote
Remote
Remote
Remote
Remote
Local
Local
NA
NA
Remote
Remote
CG-SVX17E-EN