See IOM pg 13
Check:
chart speed, connection
of chart motor to
circuit board, AC power
& chart knob tightness.
4-20 mA
retransmitter
ok?
NOTE:
Retransmitter
follows pen
arm & display.
Accessory
outputs ok?
Sampler problems
check: pulse rate
vs pulse width, proper
sampler multiplier,
totalizer multiplier and
normally open / normally
closed relay terminals.
Ok now?
Inoperative
Inaccurate
Check zero & span words.
See IOM pg 13 for
adjustments. Make sure
the total load is less
than 1000 ohms.
Complete Loop.
Check:
chart rotation speed,
chart knob tightness,
power outages &
motor backlash.
Chart
turn ok?
CONTACT
FACTORY
Chart
turn ok?
YES
NO
Fast / Slow
Not at all
NO
YES
YES
3000+
should be
operating properly.
STOP
YES
NO
Relays
ok?
Ok now?
Check relay
assignment.
NO
NO
CONTACT
FACTORY
NO
NO
CONTACT
FACTORY
YES or
sampler
not used
YES
YES
There must be power
supplied for the
retransmitter. Check
wiring connections. See
IOM pg 6 for wiring.
Is
retransmitter
inoperative or
inaccurate?
NO
Is current
loop
complete?
STOP
Procedure
completed
CONTACT FACTORY
NO
3000+
operating
properly ?
YES
Ok now?
NO
YES
NO
4-20 mA
retransmitter
correct now?
YES
YES
NO
YES
Sampler output
closing at
proper rate?
21