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3--2Operating the Controls
Display Messages and their Meaning
The following messages (in alphabetical order) can appear on the CP display:
Display Message Meaning or Explanation Also Refer To
ATS LOCKED OUT!
An error condition has occurred and the controller
has locked out all further attempts to transfer the
load. Press the Alarm Reset pushbutton to clear
this message.
Transfer
Switch
Operator’s
Manual
EMERG SOURCE
The emergency status display shows the
emergency voltages, voltage unbalance
(if enabled), and frequency.
page 3–1
ENGINE EXERCISE WITH LOAD
The engine exerciser is running the engine–
generator set with load (the transfer switch
transfers the load to the generator).
pages
2–10, 2–11
ENGINE EXERCISE WITHOUT LOAD
The engine exerciser is running the engine–
generator set without load (the transfer switch
does not
transfer the load to the generator).
pages
2–10, 2–11
Enter Password:
A password is required to proceed further in the
change process. Enter the correct password to
continue or press the Esc key to clear this
message.
pages
2–1, 2–8
FAILURE TO SYNCHRONIZE ALARM
Thefailuretosynchronizetimedelayhasexpired.
This alarm occurs when the sources fail to
synchronize within the specified time. Press the
Alarm Reset pushbutton to clear this message.
(4ACTS, 7ACTS, 7ACTB)
pages
4–4, 4–5
Load Disconnected The load is disconnected (4ADTS,7ADTS,7ADTB)
pages
4–6, 4–7
Load on Emerg The load is connected to the emergency source.
Load on Normal The load is connected to the normal source.
LOAD SHED FROM EMERG
The load shed signal is active and the load has
been shed from the emergency source.
page 2–6
LOAD SHED FROM NORMAL
The load shed signal is active and the load has
been shed from the normal source.
page 2–6
NORMAL FAILED The normal source is not acceptable. page 3–1
NORMAL OK The normal source is accepted. page 3–1
NORMAL SOURCE
The normal status display shows the normal
source voltages, voltage unbalance (if enabled),
and frequency.
page 3–1
POWER–UP INHIBIT stays on
Thecontrollerhaspoweredupandhas
recognized an error condition.
Contact
ASI
TD Emerg>Normal:
The emergency to normal load transfer time delay
(Feature 3A) is running. The amount of time
remaining i s shown.
page 2–4
TD Engine Cooldown:
The engine–generator set unloaded cooldown
time delay (Feature 2E) is running. The amount
of time remaining is shown .
page 2–4
TD Load Disconnect:
The load disconnect time delay is running.
The amount of time remaining is shown.
(4ADTS, 7ADTS, 7ADTB)
pages
4–6, 4–7
continued on next p age