RTAC-SVX002A-EN 84
Diagnostics
Hex
Code
Diagnostic Name and
Source
Severity Persistence Criteria Reset Level
5DA Comm Loss: Female Step Load
Compressor 1B
Normal Latch Same as Comm Loss: Chilled Water Flow Switch
Remote
5DB Comm Loss: Female Step Load
Compressor 2A
Normal Latch Same as Comm Loss: Chilled Water Flow Switch
Remote
5DC Comm Loss: Female Step Load
Compressor 2B
Normal Latch Same as Comm Loss: Chilled Water Flow Switch
Remote
5EB Comm Loss: High Pressure
Cutout Switch, Cprsr 1A
Immediate Latch Same as Comm Loss: Chilled Water Flow Switch
Remote
5EC Comm Loss: High Pressure
Cutout Switch, Cprsr 1B
Immediate Latch Same as Comm Loss: Chilled Water Flow Switch
Remote
5ED Comm Loss: High Pressure
Cutout Switch, Cprsr 2A
Immediate Latch Same as Comm Loss: Chilled Water Flow Switch
Remote
5EE Comm Loss: High Pressure
Cutout Switch, Cprsr 2B
Immediate Latch Same as Comm Loss: Chilled Water Flow Switch
Remote
5E1 Comm Loss: Ice-Machine
Control
Special
Mode
Latch Continual loss of communication between the MP and the Functional ID
has occurred for a 30 second period. Chiller shall revert to normal
(non-ice building) mode regardless of last state.
Remote
5FA Comm Loss: Ice-Making Status Special
Mode
Latch Same as Comm Loss: Ice-Machine Control
Remote
5F4 Comm Loss: Intermediate Oil
Pressure, Cprsr 1A
Immediate Latch Same as Comm Loss: Chilled Water Flow Switch
Remote
5F5 Comm Loss: Intermediate Oil
Pressure, Cprsr 1B
Immediate Latch Same as Comm Loss: Chilled Water Flow Switch
Remote
5F6 Comm Loss: Intermediate Oil
Pressure, Cprsr 2A
Immediate Latch Same as Comm Loss: Chilled Water Flow Switch
Remote
5F7 Comm Loss: Intermediate Oil
Pressure, Cprsr 2B
Immediate Latch Same as Comm Loss: Chilled Water Flow Switch
Remote
69D Comm Loss: Local BAS
Interface
Special
Mode
Latch Same as Comm Loss: Chilled Water Flow Switch
Remote
5D2 Comm Loss: Male Port Load
Compressor 1A
Normal Latch Same as Comm Loss: Chilled Water Flow Switch
Remote
5D4 Comm Loss: Male Port Load
Compressor 1B
Normal Latch Same as Comm Loss: Chilled Water Flow Switch
Remote
5D6 Comm Loss: Male Port Load
Compressor 2A
Normal Latch Same as Comm Loss: Chilled Water Flow Switch
Remote
5D8 Comm Loss: Male Port Load
Compressor 2B
Normal Latch Same as Comm Loss: Chilled Water Flow Switch
Remote
5D1 Comm Loss: Male Port Unload
Compressor 1A
Normal Latch Same as Comm Loss: Chilled Water Flow Switch
Remote
5D3 Comm Loss: Male Port Unload
Compressor 1B
Normal Latch Same as Comm Loss: Chilled Water Flow Switch
Remote
5D5 Comm Loss: Male Port Unload
Compressor 2A
Normal Latch Same as Comm Loss: Chilled Water Flow Switch
Remote
5D7 Comm Loss: Male Port Unload
Compressor 2B
Normal Latch Same as Comm Loss: Chilled Water Flow Switch
Remote
5E5 Comm Loss: Oil Temperature,
Circuit #1 or Cprsr 1A
Normal Latch Same as Comm Loss: Chilled Water Flow Switch
Remote
5E6 Comm Loss: Oil Temperature,
Circuit #2 or Cprsr 2A
Normal Latch Same as Comm Loss: Chilled Water Flow Switch
Remote
696 Comm Loss: Oil Temperature,
Cprsr 1B
Normal Latch Same as Comm Loss: Chilled Water Flow Switch
Remote
697 Comm Loss: Oil Temperature,
Cprsr 2B
Normal Latch Same as Comm Loss: Chilled Water Flow Switch
Remote
5E2 Comm Loss: Outdoor Air
Temperature
Normal Latch Continual loss of communication between the MP and the Functional
ID has occurred for a 30 second period. Note that if this diagnostic
occurs, operational pumpdown will be performed regardless
of the last valid temperature
Remote
690 Comm Loss: Starter 1A Immediate Latch Same as Comm Loss: Chilled Water Flow Switch Local
691 Comm Loss: Starter 1B Immediate Latch Same as Comm Loss: Chilled Water Flow Switch Local
692 Comm Loss: Starter 2A Immediate Latch Same as Comm Loss: Chilled Water Flow Switch Local
693 Comm Loss: Starter 2B Immediate Latch Same as Comm Loss: Chilled Water Flow Switch Local
6AC Comm Loss: Starter Panel
High Temperature Limit –
Panel 1, Cprsr 1B
Info Latch Same as Comm Loss: Chilled Water Flow Switch Local
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