Pulsafeeder Pulsar DLCM - Manual (Page 104)

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ALARM RELAY OUTPUT (Low Voltage J5)
Symptom Probable Cause Possible Solution
No Output Output wired incorrectly. Check wiring.
External Device not powering output. Refer to Section 8 – Diagram 1 – DLCM
Wiring Diagram. External device must supply
voltage to dry contact.
Alarm Options not set. Review Section 7-General Operation: Leak
Detection/Level Input Set-up/Alarm Relay.
MANUAL ADJUSTMENT KNOB / DLCM INTERNAL DRIVE MOTOR
Symptom Probable Cause Possible Solution
Knob will not
turn under
DLCM control.
Display shows
{DUTY
CYCLE}. Internal DLCM Synchronous motor has
achieved its duty cycle limit of 50% ON
time (based on a 20 minute interval).
Rapidly cycling batches and wildly
swinging analog inputs will cause this
motor to run continuously. Eliminate batches that are cycling too rapidly
(e.g., changing stroke from 0 to 100% one
minute and 100 to 0% the next - the internal
drive motor runs all the time). Condition
analog input signal. Cycle Power.
Wait for 'cool-down' period.
Refer to Section 5 – Installation: High
Voltage Connections, PULSAR MOTOR.
Knob turns at
power-up. Normal Zero Calibration . Display should
read {PLEASE WAIT / CALIBRATING
ZERO}. Do not turn knob by hand while DLCM's
power is off.
Note that the Stroke doesn’t always adjust. Most of the DLCM flow adjustment is made by varying the motor
speed. Also check the END POINT setup for equal MIN & MAX stroke settings.
KEYPAD
Symptom Probable Cause Possible Solution
Display does Software did not initiate properly. Cycle power.
not respond Memory Corrupted. Cycle power. Perform Factory Re-Initialize.
to keypad Keypad connector loose. Contact Technical Services.
entry.
BATCH OPERATION
Symptom Probable Cause Possible Solution
Activated batch
appears to be
running through
batches rapidly. Repeating Batch activated with Old Start
Date. For example, today is 1/22/01, You
have a repeating batch programmed to start
on 1/5/01). The display will show the 'run-
through' of all batches between the start
day and time and today. Change Batch start-time/date to current or
future date/time.
Repeating
Batch will not
start. Batch duration is set to 0 hours and 0
minutes. Duration must be greater than 0 minutes for
batch to activate.
CALIBRATION
Symptom Probable Cause Possible Solution
Message:
{Terminated /
Press any key}
appears during
Calibration. Manual Knob adjusted while Calibration
session was active. Do not touch the Manual adjustment knob
while a Calibration session is active.