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C I R C U L A R C H A R T R ECO R D ER | C I/C 1 9 0 0/R EC- EN R E V. B
17
10 Diagnostics and error codes
Upon power up the recorder performs a series of self-tests to
ensure that the recorder and fitted modules are working
correctly.
If any of the power-up tests fail, error codes are displayed to
identify the fault. Refer to Figure 10 for error code interpretations
A––––F
–2–4––
Al
A2
A3
A4
CH1
CH2
CH3
CH4
Code Error
Action
–
No error
None
A
Main program data stored in non-volatile
memory on main board is corrupt
Check and correct program data
C
Timer set up stored in battery-backed
RAM is corrupt
Check and correct data in
Set Up Timer
page
d
Maths set up stored in battery-backed
RAM is corrupt
Check and correct data in
Set Up Maths
page
F
Totalizer set up in battery-backed RAM
has been corrupt
Check and correct data in
Set Up Totals
page
Code Error
Action
–
No error
None
1
Main board
Analog input and/or analog
output calibration is corrupt
Power down and then up
again.
If fault remains, contact the
local Service Organization
2
Module in position 2
3
Module in position 3
4
Module in position 4
5
Module in position 5
6
Module in position 6
Figure 10 Power up error codes
The recorder also displays preprogrammed errors in the event
of an input failure during normal operation:
Message
Reason
Action
Ad.FAIL
Internal analog to digital converter system hardware has failed.
• Check the input/output board is located
correctly in its socket.
• Power down and up.
If the
Ad.FAIL
message is still present, contact
the local Service Organisation
F–INPt
Process variable input is above or below fault detection level.
Process variable input exceeds the limits for the linearizer
selected.
• Check input source for possible broken sensor
• Check input connections
• Check input link position
• Check input configuration in the
Set Up Input
page
