CHAPTER 3: INTERFACES FRONT CONTROL PANEL INTERFACE
850 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL 3–13
Figure 3-12: Major Errors
Table 3-8: Minor Self-test Errors
Self-test Error
Message
1
Description of Problem How Often the Test is
Performed
What to do
Order Code Error Hardware doesn’t
match order code
Every 1 second If alert doesn’t self-reset then
contact factory. Otherwise
monitor re-occurrences as
errors are detected and self-
reset
CPU S/N Invalid CPU card doesn’t have
valid data to match the
order code.
Every 1 second
Slot“$” IO S/N
Invalid
2
IO card located in slot $
doesn’t have valid data
to match the order
code.
Every 1 second
Comms S/N Invalid Comms card doesn’t
have valid data to
match the order code.
Every 1 second
CPanel S/N Invalid Control Panel doesn’t
have valid data to
match the order code.
Every 1 second
PSU S/N Invalid Power Supply Unit
doesn’t have valid data
to match the order
code.
Every 1 second
RTC Error The CPU cannot read
the time from the real
time clock
Every 1 second
Product Serial
Invalid
The product serial
number doesn’t match
the product type
Every 1 second
Comm Alert #1 Communication error
between CPU and
Comms board
Every 1 second
Comm Alert #2 Every 1 second
Comm Alert #3 Every 1 second
FLASH Error The permanent storage
memory has been
corrupted
Every 1 second
SPI Error Communication error
between CPU and LEDs,
Keypad or peripheral
memory devices
Every 1 second
Invalid MAC
Address
MAC address is not in
the product range
Every 1 second
Calibration Error Unit has default
calibration values
Boot-up and Every 1
second