Instruction 3015-4149
21
•
PRESSURE SENSOR
– Manifold pressure is outside normal operating range (or sensor has failed).
Check the
Diagnostic Screen
record ALL data. Call the factory with this information for further
instructions.
•
LOOP FAULT
– This would be displayed only if the dual 4-20 mAdc option was installed and one or
both current loops are open. Check the wiring to load/monitoring circuit on both 4-20 mA loops.
•
CONFIG FAULT
– There is an error in
HGM Setup Screen #2
– Number Zones Installed field, or in
RDM Setup Screen #1
– Number of HGMS on Network field. Check that the number of zones
installed for each HGM unit and the number of HGM units on the network are properly programmed.
Check to ensure that the manifold solenoid cable connector in each HGM unit is securely fastened to
its terminal connector. Check for an illegal parameter. If necessary, reset to the factory default
settings.
Viewing the Fault Log
From the Fault Screen press the button under LOG. This screen lists the last 20 fault conditions recorded
by the system. Using the left/right keys on the keypad you can move across the screen to view the time
and date of the fault.
Reset to Factory Default Settings
IMPORTANT:
Performing this function wipes out all program parameters, alarms, faults, trends and
log files.
Resetting the HGM300
– Press and hold down the Factory Default switch (left most switch inside the
HGM300); cycle AC power OFF then ON; listen for five beeps; and then release the switch. Reprogram
the HGM300 per Section 7 in this manual.
Resetting the RDM800
– Occasionally
it will be necessary to rest the RDM800 to its factory default
settings. From the System Screen, press and hold down the key adjacent to the ALARMS function; cycle
AC power OFF then ON; listen for five beeps; and then release the key.
Fault Log Screen
