Troubleshooting
Diagnostic Name
Affects
and Source
Target
Comm Loss: VFD
Unit
Relief Fan – x
Comm Loss: VFD
Relief Fan – x
Comm Loss: VFD
Relief Fan
Comm Loss: VFD
Cprsr
Compressor
Cprsr1A
Comm Loss: VFD
Compressor
Cprsr1A
Comm Loss: VFD
Compressor
Comm Loss:
Circuit
Compressor
Proving Cprsrxy
Comm Loss:
Compressor
Proving Cprsrxy
Comm Loss:
Cprsr Proving
Comm Loss:
Circuit
Compressor
Relay
Compressor xy
Comm Loss:
Compressor
Relay Cprsrxy
Comm Loss:
Cprsr Relay
Comm Loss: VFD
Circuit
Condenser Fan -
x
Comm Loss: VFD
Condenser Fan -
x
Comm Loss: VFD
Condenser Fan
Comm Loss:
Unit
Supply Fan VFD
Bypass
Comm Loss:
Supply Fan VFD
Bypass
Comm Loss: SF
VFD Bypass
Comm Loss:
Unit
Supply Fan
Bypass Proving
Pressure
Comm Loss: SF
Bypass Proving
Pressure
Comm Loss: SF
Bypass Press
76
Severity
Persistence
Normal
Latching
Normal
Latching
Immediate
Latching
Shutdown
Immediate
Latching
Shutdown
Warning
Latching
With
Special
Action
Warning
Latching
Warning
Latching
Active
Modes
Criteria
[Inactive
Modes]
All
Continual loss of communication between the MP and the
VFD has occurred for a 30 second period.
All
Continual loss of communication between the MP and the
VFD has occurred for a 30 second period.
All
Continual loss of communication between the MP and the
VFD has occurred for a 30 second period.
All
Continual loss of communication between the MP and the
VFD has occurred for a 30 second period.
All
Continual loss of communication between the MP and the
VFD has occurred for a 30 second period.
Condenser fan control will revert to fixed-speed fan
algorithm using remaining fans.
All
Continual loss of communication between the MP and the
VFD has occurred for a 30 second period.
All
Continual loss of communication between the MP and the
Functional ID has occurred for a 30 second period.
Reset
Level
Remote
Remote
Remote
Remote
Remote
Remote
Remote
RT-SVP011A-EN