Main Processor Diagnostics - Trane Tracer CH530 User Manual

Affects
Diagnostic Name
Target
MP: Reset Has None
Occurred
Unexpected Starter Circuit
Shutdown
High Motor Winding Circuit
Temperature -
Compressor 1A
High Motor Winding Circuit
Temperature -
Compressor 2A
Low Evaporator Circuit
Refrigerant
Temperature -
Circuit 1
Low Evaporator Circuit
Refrigerant
Temperature -
Circuit 2
RLC-SVU05A-E4

Main Processor Diagnostics

Active Modes
Severity Persistence
[Inactive Modes]
Info All
NonLatch
Normal All Cprsr Running
modes, Starting,
Running and Preparing
to Shutdown
NonLatch
Immediate All
Latch
Immediate All
Latch
Immediate All Ckt Running
Modes
Latch
Immediate All Ckt Running
Modes
Latch
Criteria
The main processor has successfully come out of a
reset and built its application. A reset may have been
due to a power up, installing new software or
configuration. This diagnostic is immediately and
automatically cleared and thus can only be seen in the
Historic Diagnostic List in TechView
The Starter module status reported back that it is
stopped when the MP thinks it should be running and
no Starter diagnostic exist. This diagnostic will be
logged in the active buffer and then automatically
cleared. This diagnostic could be caused by intermittent
communication problems from the Starter to the MP , or
due to misbinding.
The respective compressor's motor winding thermostat
is detected to be open
The respective compressor's motor winding thermostat
is detected to be open
The inferred Saturated Evap Refrigerant Temperature
(calculated from suction pressure transducer dropped
below the Low Refrigerant Temperature Cutout Setpoint
for 1125°F-sec (25°F-sec max rate) while the circuit was
running. The minimum LRTC setpoint is -5°F (18.7 Psia)
the point at which oil separates from the refrigerant.
During the time that the trip integral is non zero, the
unload solenoid(s) of the running compressors on the
circuit, shall be energized continuously and the load
solenoid shall be off. Normal load/unload operation will
be resumed if the trip integral decays to zero by temps
above the cutout setpoint. The integral is held
nonvolatily though power down, is continuously
calculated, and can decay during the circuit's off cycle as
conditions warrant.
The inferred Saturated Evap Refrigerant Temperature
(calculated from suction pressure transducer dropped
below the Low Refrigerant Temperature Cutout Setpoint
for 1125°F-sec (25°F-sec max rate) while the circuit was
running. The minimum LRTC setpoint is -5°F (18.7 Psia)
the point at which oil separates from the refrigerant.
During the time that the trip integral is non zero, the
unload solenoid(s) of the running compressors on the
circuit, shall be energized continuously and the load
solenoid shall be off. Normal load/unload operation will
be resumed if the trip integral decays to zero by temps
above the cutout setpoint. The integral is held
nonvolatily though power down, is continuously
calculated, and can decay during the circuit's off cycle as
conditions warrant.
Reset Level
Remote
NA
Local
Local
Remote
Remote
33