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3--3 Operating the Controls
Display Messages and their Meaning (continued)
The following messages (in alphabetical order) can appear on the CP display:
Display Message Meaning or Explanation Also Refer To
TD Normal Fail:
Thenormalsourcefailuretimedelay(Feature1C)
is running. The amount of time remaining is
shown.
page 2–4
TD Normal>Emerg:
The normal to emergency load transfer time delay
(Feature 2B) is running. The amount of time
remaining i s shown.
page 2–4
TD Post Transfer
The post–transfer time delay (Feature 31M or
31N) is running. The amount of time remaining is
shown.
page 2–4
TD Pre Transfer
The pre–transfer time delay (Feature 31F or 31G)
is running. The amount of time remaining is
shown.
page 2–4
TEST MODE SERIAL COMM
A test has been initiated v ia the serial commu-
nications port.
page 2–13
TEST MODE TEST CIRCUIT 5 Test circuit Feature 5 is active (Transfer Test).
Transfer
Switch
Operator’s
Manual
TEST MODE TEST CIRCUIT 17 Test circuit Feature 17 is active (remote test). page 2–6
Transfer to Emerg Inhibited Load transfer to emergency is inhibited.
Transfer to Normal Inhibited Load transfer to normal source is inhibited.
Waiting f or Emerg Acceptable
The controller is waiting for the emergency source
to become acceptable so that it can continue in
the transfer sequence.
page 3–1
Waiting for In–Phase
The controller is w aiting for the sources to come
in phase so that it can make an in phase load
transfer. The phase angle and frequency
difference are also displayed. This message will
be displayed until the sources come in phase.
(4ATS, 7ATS, 7ATB)
pages
4–1, 4–2
Waiting for In–Sync
The controller is w aiting for the sources to come
into synchronism so that it can make a
closed–transition load transfer. The three
parameters required for synchronization (phase
angle, frequency difference, and voltage
difference) are also displayed. If the sources do
not have the same rotation, this will also be
displayed. (4ACTS, 7ACTS, 7ACTB)
pages
4–4, 4–5
WRONG PASSWORD !!! An incorrect password has been entered. page 2–1
XTD PARALLEL ALARM
The extended parallel time delay has expired,
which indicates that the sources have been
paralleled for longer than the specified extended
parallel time. Press the Alarm Reset pushbutton
to clear this message. (4ACTS, 7ACTS, 7ACTB)
pages
4–4, 4–5
PARM CHCKSUM ERROR
An internal memory error h as been detected. On
occurance of this error message, memory is
cleared and all parameters need to be reset.
Contact
ASI
UNKNOWN ERROR System error.
Contact
ASI