Daikin Pathfinder AWV026 Installation Operation & Maintenance page 81

OPERATION
Suction Temperature Sensor Fault
Alarm: Suction Temperature Sensor Fault
Displayed Text: Cn SuctTempSenFault
Trigger: Trigger if any of the following are true for at
least 1 second:
• Sensor input value < 340 Ω
• Sensor input value > 300 kΩ
• Sensor reliability reported by control
system ≠ 'No Fault'
Action Taken: Normal shutdown of circuit and lock out from
running
Reset: This alarm can be cleared manually via the
keypad or BAS command if sensor input value
is 340 Ω to 300 kΩ and sensor reliability = 'No
Fault' for at least 5 seconds.
Discharge Temperature Sensor Fault
Alarm: Discharge Temperature Sensor Fault
Displayed Text: Cn DiscTempSenFault
Trigger: Trigger if any of the following are true for at
least 1 second:
• Sensor input value < 340 Ω
• Sensor input value > 300 kΩ
• Sensor reliability reported by control
system ≠ 'No Fault'
Action Taken: Normal shutdown of circuit and lock out from
running
Reset: This alarm can be cleared manually via
the keypad or BAS command if sensor
input value is 340 Ω to 300 kΩ and sensor
reliability = 'No Fault' for at least 5 seconds.
Evaporator EXV Motor Error
Alarm: Evaporator EXV Motor Error
Displayed Text: Cn EvapExvMotorErr
Trigger: If EEXV Type is set to E6V and driver in
Evaporator EXV module reports EXV motor
error. Driver A is for circuit #1 and Driver B is
for circuit #2.
Action Taken: Rapid shutdown of circuit and lock out from
running
Reset: This alarm can be cleared manually via the
keypad or BAS command if EXV motor error
is no longer being reported.
Power Loss While Running
Alarm: Power Loss While Running
Displayed Text: Cn PwrLossWhileRun
Trigger: Circuit running when controller loses power
Action Taken: None
Reset: N/A
IOM 1380
Failed Pumpdown
Alarm: Failed Pumpdown
Displayed Text: Cn Pumpdown Fail
Trigger: Circuit state = pumpdown for time >
Pumpdown Time set point
Action Taken: Shut down circuit
Reset: N/A
Economizer Pressure Sensor Fault
Alarm: Economizer Pressure Sensor Fault
Treat as Warning category if Econ Check
Valves set point = No
Treat as Fault category if Econ Check Valves
set point = Yes
Displayed Text: Cn EconPressSenFault
Trigger: The following conditions must be true to
trigger:
• Economizer Configuration set point =
Yes
• 8 seconds have passed since UC
booted up
• Communication with EVD module is OK
Value reported is more than 3083 kPa or less
than 3.85 kPa for at least 1 second.
Action Taken: Warning: Economizer forced to closed state
and will remain in closed state.
Fault: Normal shutdown of circuit and lock
out from running.
Reset: Warning: This alarm will automatically clear
if value reported is from 3.85 to 3083 kPa for
five seconds.
Fault: This alarm can be cleared manually via
the controller HMI or BAS command if value
reported is from 3.85 to 3083 kPa for five
seconds.
Economizer Temperature Sensor Fault
Alarm: Economizer Temperature Sensor Fault
Displayed Text: Cn EconTempSenFault
Trigger: The following conditions must be true to
trigger:
• Economizer Configuration set point = Yes
• Communication with EVD module is OK
• Value reported is more than 150°C or
less than -40°C for at least 1 second
Action Taken: Economizer forced to closed state and will
remain closed.
Reset: This alarm will automatically clear if value
reported is from -40°C to 150°C for 5 seconds.
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