CleaverBrooks ADAC 1000, Operation Manual

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Chapter 4 — Operation
4-8 Part No. 750-386
4.4-Troubleshooting
Fault Text System Failure Condition Recommended Troubleshooting
Feed Pump # Run
Fault Pump has not started or
stopped in required time
of 5 Seconds.
(Manual Fault Reset
Required)
Feed Pump 1: Pump Start Output
O:2/0 is energized and Pump On
Input I:1/0 is not energized.
Pump Start Output O:2/0 is not
energized and Pump On Input I:1/
0 is energized. 1. Verify Pump I/O is energizing and deenergizing correctly
and within 5 seconds.
2. Verify VFD Parameter Decel Time and verify it is not set
longer than 5 Seconds.
3. Verify VFD Parameter Relay Output 1 is set for Fault/
Ready
4. Verify VFD Parameter Relay Output 2 is set for Motor
Running.
5. Verify Motor Starter Auxiliary Run Contact or VFD Relay
Outputs are wired correctly.
Transfer Pump # Run
Fault
Feed Pump x Flow
Fault
(Pump Proving) Pump Proving sensor has
not detected pump
running in required time of
5 Seconds. (Sensor can
be pressure sensor, flow
sensor or current toroid)
(Manual Fault Reset
Required) Feed Pump 1: Pump Start Output
O:2/0 is energized and Pump
Proving Input I:1/10 is not
energized. Pump Start Output
O:2/0 is not energized and Pump
Proving Input I:1/0 is energized. 1. Verify Pump I/O is energizing and deenergizing correctly
and within 5 seconds.
2. Verify proper setup of Pump Proving device.
NOTE : Pump Proving Alarms may be disabled from the
System Configuration Screen to eliminate nusiance tripping
of alarms during setup.
Transfer Pump x Flow
Fault
(Pump Proving)
DA Tank Level High
(Digital Input) Tank Level has reached
the High Water Level
Switch.
(Manual Fault Reset
Required on Dual Tank for
DA Level High)
High Water Level Switch has
energized the tank high water
level digital input on the PLC for at
least 10 seconds.
I:5.0 = DA Tank Level High
I:5.2 = Surge Tank Level High 1. Verify Tank Level Switch Wiring and proper mechanical
operation. When PLC input is energized alarm will be
generated.
NOTE: On Dual Tank ADAC the DA High Level Alarm will
disable the Transfer Pumps from Running.
Surge Tank Level High
(Digital Input)
DA Tank Level Low
(Digital Input) Tank Level has reached
the Low Water Level
Switch. Low Water Level Switch has
energized the tank low water level
digital input on the PLC for at
least 10 seconds.
I:5.1 = DA Tank Level Low
I:5.3 = Surge Tank Level Low 1. Verify Tank Level Switch Wiring and proper mechanical
operation. When PLC input is energized alarm will be
generated.
Surge Tank Level Low
(Digital Input)