Honeywell 5704

6-4
MAN0448_Issue 13_01-2010 5704 Control System
005704-M-5001 A03249
CHAPTER 6 - OPERATING INSTRUCTIONS
3. CONTROL CARD
3.1 Reset
Toresetachannelcontrolcard,brieypushandreleaseitsfrontpanel
RESET/SELECT push-button.
This will:
a. Reset all latched non-active alarms or faults associated with each
channel of the control card.
b. Cancel all latched and non-active warning or information
messages.
c. Reset the peak reading display.
d. When active, acknowledge any update function .
e. Clear the attention lamp indication.
3.2 Extended Reset
Pressing the RESET/SELECT push-button continuously for
approximatelyvesecondswillperformanextendedcardreset.During
thisperiodtheselectediconwillashonandoff,andwhentheashing
stops the reset will be complete.
The extended reset performs the following functions:
a. Maximum and Minimum Readings
The maximum and minimum gas readings available via the
engineering printout facility are cleared.
b. TWA Alarms
 Whenexposurealarmsarecongured,theactiveshortterm(STEL)
or long term (LTEL) exposure alarms are cleared and the exposure
timer is reset.
Note: Only channels with active alarms are affected by the extended
reset. The exposure calculations on other channels may be reset
using the procedure outlined in Section 3.3.