Honeywell 5704

5-8
MAN0448_Issue 13_ 01-2010 5704 Control System
005704-M-5001 A03249
CHAPTER 5 - COMMISSIONING AND
MAINTENANCE INSTRUCTIONS
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98 ROM Failure.
The ROM stores the channel card program.
The ROM failure message is displayed if
there are errors in the read byte test during
the system start-up or periodic self test.
This is a serious card failure and, as such, the
card needs to be replaced.
97 EEPROM Failure.
The EEPROM holds the application
congurationdata.
The EEPROM failure message is displayed if
there is a checksum difference or it has been
impossible to carry out a checksum test during
start-up or periodic self test.
This is a serious card failure and, as such, the
card needs to be replaced.
5.2 Self Test Faults
Note: In addition to some of the following fault codes that may be
displayed, the control card ATTN LED will ash one second on
one second off should a hardware or software fault be detected
on the control card.
99 RAM Failure.
RAM stores the working values during
operation.
The RAM failure message is displayed if there
are errors in the read/write byte test during
the system start-up or periodicself test.
This is a serious card failure and, as such, the
card needs to be replaced.
Error Error Code Meaning Software Card Fault Latch
Code Version Status Signal