Trane CGWN 205-211 - Manual (Page 27)

Diagnostics
27 CG-SVU02B-E4
High Evaporator Water
Temperature Chiller Immediate NonLatch All The evaporator leaving water temperature is above 46°C. This
diagnostic shall clear once the evaporator leaving water
temperature falls below 43.3°C. This diagnostic protects the
rupture disk. The evaporator water pump shall not run when
this diagnostic is active. Local
High Pressure Cutout Circuit Immediate Latch All The high pressure cutout switch was open for more than one
second. Local
Emergency Stop Chiller Immediate Latch All Emergency Stop input is open. Local
Outdoor Air Temp Sensor Chiller Warning
and Special
Action
Latch All Bad Sensor or LLID. If configured as an air-cooled this
diagnostic shall use a minimum low refrigerant temperature
ignore time of 30 seconds. Remote
MP: Non-Volatile Memory
Reformatted None Warning Latch All MP has determined there was an error in a sector of the Non-
Volatile memory and it was reformatted. Check settings. Remote
Check Clock Platform Warning Latch All The real time clock had detected loss of its oscillator at some
time in the past. Check / replace battery? This diagnostic can
be effectively cleared only by writing a new value to the chillers
time clock using the TechView or DynaViews set chiller time
functions. Remote
MP: Could not Store Starts
and Hours Platform Warning Latch All MP has determined there was an error with the previous
power down store. Starts and Hours may have been lost for
the last 24 hours. Remote
MP: Non-Volatile Block Test
Error Platform Warning Latch All MP has determined there was an error with a block in the Non-
Volatile memory. Check settings.
Starts/Hours Modified Cprsr Warning NonLatch All A counter for compressor starts or hours has been modified by
TechView. This diagnostic is immediately and automatically
cleared and thus can only be seen in the historic diagnostic
list. NA