Trane CGAM Installation & Operation Manual page 174

Diagnostics
Fault Detected: Evaporator Water
Pump 2
Fault Detected: Evaporator Water
Pump 2
Fault: Evap Water Pump
Fan Fault
Fan Fault
Fan Fault
Fan Inverter Fault
Fan Inverter Fault
Fan Inverter Fault
Low Suction Superheat
Low Suction Superheat
Low Suction Superheat
High Compressor Pressure Differential
High Compressor Pressure Differential
High Cprsr Press Diff
Low Differential Refrigerant Pressure
Low Differential Refrigerant Pressure
Low Differential Rfgt Press
Low Discharge Saturated Temperature
Low Discharge Saturated Temperature
Low Discharge Sat Temp
Software Error 1001: Call Trane Service
Software Error 1001: Call Trane Service
Software Error 1001
Software Error 1002: Call Trane Service
Software Error 1002: Call Trane Service
Software Error 1002
174
Chiller Normal or NonLatch
Warning and
Special Action
Circuit Warning Latch
Circuit Warning NonLatch
Circuit Immediate Latch
Circuit Immediate Latch
Circuit Normal Latch
Circuit Normal Latch
All
Immediate Latch
functions
All
Immediate Latch
functions
For systems with no evaporator pump
All
or a single evaporator pump, a normal
shutdown shall be performed. For
multiple pump systems, detection of a
pump fault will generally cause pump
control to switch to the redundant
pump. See "Chilled Water Pump
Control - Field Supplied Dual Pumps,"
p. 82 for more details.
All The fan deck is indicating a fault.
The fan inverter fault input is ignored
for the first 5 seconds of start up to
All
allow variable speed drives to power
up.
Measured suction superheat stays
below 2.22 °C for one continuous
Ckt Energized
minute, with a 1 minute ignore time fro
[Ckt Not
m the start of the circuit.
Energized]
Suction Superheat = suction temp –
sat. suction temp.
Compressor involute pressure
differential (discharge pressure
[absolute] – volume ratio * suction
Ckt Energized
pressure [absolute]) exceeds 2550 kPa
[Ckt Not
differential, or exceeds 1862 kPa
Energized]
differential for 30 continuous minutes.
Nominal volume ratio for R410A
compressors is 2.9.
The system differential pressure for
Ckt Energized the respective circuit was below 90
[Ckt Not psid for more than 4000 psid-sec, with
Energized] a 2.5 minute ignore time from the start
of the circuit.
The discharge saturated temperature
for the respective circuit was below 20
Ckt Energized
°C for more than 3750 °C-sec, with a
[Ckt Not
10 minute ignore time from the start of
Energized]
the circuit. Integration starts after the
ignore time is completed.
A software monitor has detected a
condition in which there was a
continuous 1 minute period of
compressor operation, with no
Evaporator water flow. The presence of
All this software error message suggests
an internal software problem has been
detected. The events that led up to this
failure, if known, should be recorded
and transmitted to Trane Controls
Engineering.
A software monitor has detected a
condition in which there was a
continuous 1 minute period of
compressor operation, with a
misaligned state machine.
Reported if state chart misalignment
occurred inferred form the Capacity
Control, Circuit, or Compressor State
Machines being in Stopped state or
All
Inactive state while a compressor was
operating and this condition existed for
at least 1 minute. The presence of this
software error message suggests an
internal software problem has been
detected. The events that led up to this
failure, if known, should be recorded
and transmitted to Trane Controls
Engineering.
Remote
Local
Local
Local
Local
Local
Local
Local
Local
CG-SVX17D-EN