C1300
Advanced circular chart recorder
6 Fault Diagnosis
72
IM/C1300 Rev. J
6 Fault Diagnosis
Symptom
Possible Cause
Action
Recorder does not power up
a)
b)
c)
Internal fuse (if fitted) is blown
Internal power switch (if fitted) is OFF
Power supply connections are incorrect
a)
b)
c)
Check wiring, rectify fault and replace fuse
Turn power switch ON
Check connections
Chart does not appear to move
a)
b)
Very slow chart duration selected – see
Section 3.4, page 20
Stop Chart Source
selected – see
a)
b)
Select required chart duration in
Common
Configuration
Set
Stop Chart Source
to
None
Pens in recording position but
do not drop
onto paper
Stop Chart Source
selected – see Section
Set
Stop Chart Source
to
None
Red pen does not move
beyond 94% position on chart
When real-time event pen is fitted the red pen
cannot go beyond 94% to prevent pens
clashing
Use chart range that prevents the need to go beyond 94% of
maximum on chart
Pen lift key on front panel does
not work
Pen lift key is disabled
Set
Pen Lift Enable
to
YES
Pens do not remain lifted when
pen lift key is used
Auto pen drop feature is enabled
Set
Auto Pen Drop
to
NO
Analog inputs are slow to
respond
A large filter time has been set
Set Pen X Filter to a value that gives the required response –
see Section 3.5, page 24
Time or date incorrect
Not set for correct local time
Set correct time and date – see Section 3.12, page 50
Totalizers cannot be reset by
the Operator
Totalizer reset function is not enabled
Set
Totalizer Reset
to
YES
External relays connected to
relays in instrument fail to
de-energize
Arc suppression capacitors are provided
across the relay contacts and capacitor
leakage current may be sufficient to prevent an
external relay from de-energizing
Remove the arc suppression components:
R13 and R14 on mainboard
R1 and R7 on standard I/O and analog relay module
IC3 to IC10 on 4 relay module
Table 6.1 Fault Diagnosis
