AMC-400 Series Digital Transmitter with Smart Sensor 2
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All service mode procedures will automatically exit to normal operation without
change if left inactive for 10 minutes.
Service Mode 1:
A. To enter Service Mode 1; enter Configuration from normal operation mode by push and
holding pushbutton for >2seconds and then releasing. The configuration title “
-CF
” will
be displayed. Scroll through to the “
A06
” item with short presses. To begin service mode
choice enter the “
A06
” item with a push and hold >2seconds and release. The service
mode title “
-SE
” will be displayed.
B. Short press pushbutton to scroll to the “
SE1
” choice. Push and hold >2seconds and
release to enter service mode. The Service Modes will enter a routine; displaying the
gas type and concentration. With Service Mode 1 the qualified personnel can begin
gassing without changing the gas concentration to monitor. The monitor will continue to
receive last known gas concentration. To exit service modes wait for gas concentration
to return to background levels, then push and hold >2seconds and release.
C. Short press pushbutton to scroll through items to return to “
-SE
” exit point. Push and
hold >2seconds and release to return to “
A06
” item. Again short press pushbutton to
scroll through items to return to “
-CF
” exit point. Push and hold >2seconds and release
to return to normal operation.
Service Mode 2:
A. To enter Service Mode 2; enter Configuration from normal operation mode by push and
holding pushbutton for >2seconds and then releasing. The configuration title “
-CF
” will
be displayed. Scroll through to the “
A06
” item with short presses. To begin service mode
choice enter the “
A06
” item with a push and hold >2seconds and release. The service
mode title “
-SE
” will be displayed.
B. Short press pushbutton to scroll to the “
SE2
” choice. Push and hold >2seconds and
release to enter service mode. In Service Mode 2 the qualified personnel must enter a
gas concentration to be forced to the monitor. Once entered the Service Modes will
continuously transmit gas concentration and type to the monitor. This entry is similar to
MODBUS address modification in INITIAL CONFIGURATION. To exit service modes
push and hold >2seconds and release.
C. Short press pushbutton to scroll through items to return to “
-SE
” exit point. Push and
hold >2seconds and release to return to “
A06
” item. Again short press pushbutton to
scroll through items to return to “
-CF
” exit point. Push and hold >2seconds and release
to return to normal operation.
5.4 SPECIAL CONFIGURATION FOR SERVICE
Above and beyond calibration the AMC-400 Digital Transmitter may indicate it requires service
by displaying “
SEr
” along with the sensor LED periodically flashing red. Consult AMC for
service. Once correct sensor operation has been confirmed; qualified personnel can inhibit the
“
SEr
” display and associated sensor red LED indicator until the next calibration schedule.
