System Health; Active Alarms; Troubleshooting Chart - Honeywell Enraf Operation Manual

Prover does not cycle when proving pass is initiated
No power to Honeywell Enraf small volume prover
Interface cable between CIU or flow computer
and Honeywell Enraf small volume prover is not
properly connected
Above checks do not resolve problem
Honeywell SVP Controller is not in Meter
Calibration Mode
Unsteady or absence of pulse from flow meter
Defective flow meter signal cable or connection
Defective pickup or pulser
Defective flow meter
Defective flow meter signal
Defective CONDAT
interface unit or signal
®
conditioners, if using CONDAT
If using flow computer of other manufacture
Table 3: Honeywell Enraf Troubleshooting Chart
Part No.: 44200004 - Revision 2
Troubleshooting
To check if the motor stop switch is working properly you should select
"Motor stop switch" and trigger the motor stop. The state should change
from "High" to "Low".
To check if the motor is working you should scroll down to the "Motor run
command" and press OK. The state of the motor will be changed from
"Inactive" to "Active". You will need to press OK again in order to stop
the motor.

5.3.2 System Health

The System Health screen allows you to check the status of the various
assemblies that are contained in the SVP Controller. Contact Honeywell
support if there are errors.

5.3.3 Active Alarms

The Active Alarms screen allows you to see if any alarms have been
activated and to re-enable the device.

5.4 Troubleshooting Chart

prover control
®
Check for continuity of power to prover, see Section 6
Check connections and integrity of cables, see Section 6 and flow
computer manual
See Section 5 for troubleshooting controller, optical switches, and
motor stop switch
Exit Prover Test Mode (Section 3.3) or Prover Calibration Mode
(Section 4.3 and 4.4)
Refer to applicable proving computer manual and check cables
and connections
Check for electrical or mechanical failure
Observe for pulse width variation and possible noise from meter
(repair or replace flow meter)
Test input and output signals preamplifier with an oscilloscope
Input a frequency signal with a signal generator and check for
signal at computer or output of signal conditioner with
an oscilloscope
Check flow computer's operation manual for possible solution
to problem
SVP Controller Operation Manual 5-3